Home / 28,748,306.26-39,672,457.24-15,695,564.77

Finding the Fourth Proportional to 28,748,306.26, 39,672,457.24 and 15,695,564.77

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Solution

The fourth proportional to 28,748,306.26, 39,672,457.24 and 15,695,564.77 is: 21,659,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,306.26 : 39,672,457.24 = 15,695,564.77 : x
  2. Step 2: Convert to fraction form
    28,748,306.26/39,672,457.24 = 15,695,564.77/x
  3. Step 3: Cross multiply
    28,748,306.26x = 39,672,457.24 × 15,695,564.77
  4. Step 4: Simplify right side
    28,748,306.26x = 622,681,622,195,475.50
  5. Step 5: Solve for x
    x = 622,681,622,195,475.50/28,748,306.26
  6. Step 6: Final answer
    x = 21,659,767.24

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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.