Home / 25,755,881.85-35,535,366.23-15,438,840.57

Finding the Fourth Proportional to 25,755,881.85, 35,535,366.23 and 15,438,840.57

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Solution

The fourth proportional to 25,755,881.85, 35,535,366.23 and 15,438,840.57 is: 21,300,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755,881.85 : 35,535,366.23 = 15,438,840.57 : x
  2. Step 2: Convert to fraction form
    25,755,881.85/35,535,366.23 = 15,438,840.57/x
  3. Step 3: Cross multiply
    25,755,881.85x = 35,535,366.23 × 15,438,840.57
  4. Step 4: Simplify right side
    25,755,881.85x = 548,624,853,744,337.81
  5. Step 5: Solve for x
    x = 548,624,853,744,337.81/25,755,881.85
  6. Step 6: Final answer
    x = 21,300,953.97

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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.