Home / 23,328,390.30-34,992,585.45-20,342,406.30

Finding the Fourth Proportional to 23,328,390.30, 34,992,585.45 and 20,342,406.30

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Solution

The fourth proportional to 23,328,390.30, 34,992,585.45 and 20,342,406.30 is: 30,513,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328,390.30 : 34,992,585.45 = 20,342,406.30 : x
  2. Step 2: Convert to fraction form
    23,328,390.30/34,992,585.45 = 20,342,406.30/x
  3. Step 3: Cross multiply
    23,328,390.30x = 34,992,585.45 × 20,342,406.30
  4. Step 4: Simplify right side
    23,328,390.30x = 711,833,390,711,368.38
  5. Step 5: Solve for x
    x = 711,833,390,711,368.38/23,328,390.30
  6. Step 6: Final answer
    x = 30,513,609.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.