Home / 28,808,454.68-39,755,110.48-15,755,673.24

Finding the Fourth Proportional to 28,808,454.68, 39,755,110.48 and 15,755,673.24

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Solution

The fourth proportional to 28,808,454.68, 39,755,110.48 and 15,755,673.24 is: 21,742,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808,454.68 : 39,755,110.48 = 15,755,673.24 : x
  2. Step 2: Convert to fraction form
    28,808,454.68/39,755,110.48 = 15,755,673.24/x
  3. Step 3: Cross multiply
    28,808,454.68x = 39,755,110.48 × 15,755,673.24
  4. Step 4: Simplify right side
    28,808,454.68x = 626,368,530,342,979.50
  5. Step 5: Solve for x
    x = 626,368,530,342,979.50/28,808,454.68
  6. Step 6: Final answer
    x = 21,742,524.45

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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.