Home / 10,692,006.80-16,038,010.20-10,479,430.40

Finding the Fourth Proportional to 10,692,006.80, 16,038,010.20 and 10,479,430.40

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Solution

The fourth proportional to 10,692,006.80, 16,038,010.20 and 10,479,430.40 is: 15,719,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,006.80 : 16,038,010.20 = 10,479,430.40 : x
  2. Step 2: Convert to fraction form
    10,692,006.80/16,038,010.20 = 10,479,430.40/x
  3. Step 3: Cross multiply
    10,692,006.80x = 16,038,010.20 × 10,479,430.40
  4. Step 4: Simplify right side
    10,692,006.80x = 168,069,211,645,390.09
  5. Step 5: Solve for x
    x = 168,069,211,645,390.09/10,692,006.80
  6. Step 6: Final answer
    x = 15,719,145.60

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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.