Home / 38,812,543.40-58,218,815.10-23,695,999.40

Finding the Fourth Proportional to 38,812,543.40, 58,218,815.10 and 23,695,999.40

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Solution

The fourth proportional to 38,812,543.40, 58,218,815.10 and 23,695,999.40 is: 35,543,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,812,543.40 : 58,218,815.10 = 23,695,999.40 : x
  2. Step 2: Convert to fraction form
    38,812,543.40/58,218,815.10 = 23,695,999.40/x
  3. Step 3: Cross multiply
    38,812,543.40x = 58,218,815.10 × 23,695,999.40
  4. Step 4: Simplify right side
    38,812,543.40x = 1,379,553,007,678,311
  5. Step 5: Solve for x
    x = 1,379,553,007,678,311/38,812,543.40
  6. Step 6: Final answer
    x = 35,543,999.10

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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.