Home / 13,381,633.66-18,466,294.98-7,875,332.50

Finding the Fourth Proportional to 13,381,633.66, 18,466,294.98 and 7,875,332.50

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Solution

The fourth proportional to 13,381,633.66, 18,466,294.98 and 7,875,332.50 is: 10,867,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,633.66 : 18,466,294.98 = 7,875,332.50 : x
  2. Step 2: Convert to fraction form
    13,381,633.66/18,466,294.98 = 7,875,332.50/x
  3. Step 3: Cross multiply
    13,381,633.66x = 18,466,294.98 × 7,875,332.50
  4. Step 4: Simplify right side
    13,381,633.66x = 145,428,213,010,580.84
  5. Step 5: Solve for x
    x = 145,428,213,010,580.84/13,381,633.66
  6. Step 6: Final answer
    x = 10,867,747.29

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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.