Home / 15,272,482,902.72-21,085,709,687.10-10,457,904,678.96

Finding the Fourth Proportional to 15,272,482,902.72, 21,085,709,687.10 and 10,457,904,678.96

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Solution

The fourth proportional to 15,272,482,902.72, 21,085,709,687.10 and 10,457,904,678.96 is: 14,438,539,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272,482,902.72 : 21,085,709,687.10 = 10,457,904,678.96 : x
  2. Step 2: Convert to fraction form
    15,272,482,902.72/21,085,709,687.10 = 10,457,904,678.96/x
  3. Step 3: Cross multiply
    15,272,482,902.72x = 21,085,709,687.10 × 10,457,904,678.96
  4. Step 4: Simplify right side
    15,272,482,902.72x = 220,512,341,995,915,247,616
  5. Step 5: Solve for x
    x = 220,512,341,995,915,247,616/15,272,482,902.72
  6. Step 6: Final answer
    x = 14,438,539,129.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.