Home / 28,735,158.90-39,640,727.41-18,807,670.91

Finding the Fourth Proportional to 28,735,158.90, 39,640,727.41 and 18,807,670.91

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Solution

The fourth proportional to 28,735,158.90, 39,640,727.41 and 18,807,670.91 is: 25,945,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,158.90 : 39,640,727.41 = 18,807,670.91 : x
  2. Step 2: Convert to fraction form
    28,735,158.90/39,640,727.41 = 18,807,670.91/x
  3. Step 3: Cross multiply
    28,735,158.90x = 39,640,727.41 × 18,807,670.91
  4. Step 4: Simplify right side
    28,735,158.90x = 745,549,755,560,088.12
  5. Step 5: Solve for x
    x = 745,549,755,560,088.12/28,735,158.90
  6. Step 6: Final answer
    x = 25,945,558.82

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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.