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Finding the Fourth Proportional to 9,290,366.80, 13,935,550.20 and 9,290,366.80

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Solution

The fourth proportional to 9,290,366.80, 13,935,550.20 and 9,290,366.80 is: 13,935,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,366.80 : 13,935,550.20 = 9,290,366.80 : x
  2. Step 2: Convert to fraction form
    9,290,366.80/13,935,550.20 = 9,290,366.80/x
  3. Step 3: Cross multiply
    9,290,366.80x = 13,935,550.20 × 9,290,366.80
  4. Step 4: Simplify right side
    9,290,366.80x = 129,466,372,917,813.36
  5. Step 5: Solve for x
    x = 129,466,372,917,813.36/9,290,366.80
  6. Step 6: Final answer
    x = 13,935,550.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.