Home / 21,693,613.07-29,937,103.17-11,904,220.91

Finding the Fourth Proportional to 21,693,613.07, 29,937,103.17 and 11,904,220.91

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Solution

The fourth proportional to 21,693,613.07, 29,937,103.17 and 11,904,220.91 is: 16,427,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,613.07 : 29,937,103.17 = 11,904,220.91 : x
  2. Step 2: Convert to fraction form
    21,693,613.07/29,937,103.17 = 11,904,220.91/x
  3. Step 3: Cross multiply
    21,693,613.07x = 29,937,103.17 × 11,904,220.91
  4. Step 4: Simplify right side
    21,693,613.07x = 356,377,889,391,455.75
  5. Step 5: Solve for x
    x = 356,377,889,391,455.75/21,693,613.07
  6. Step 6: Final answer
    x = 16,427,779.38

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1.5x scale

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.