Home / 13,590,711.58-18,755,184.70-7,479,140.08

Finding the Fourth Proportional to 13,590,711.58, 18,755,184.70 and 7,479,140.08

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Solution

The fourth proportional to 13,590,711.58, 18,755,184.70 and 7,479,140.08 is: 10,321,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,711.58 : 18,755,184.70 = 7,479,140.08 : x
  2. Step 2: Convert to fraction form
    13,590,711.58/18,755,184.70 = 7,479,140.08/x
  3. Step 3: Cross multiply
    13,590,711.58x = 18,755,184.70 × 7,479,140.08
  4. Step 4: Simplify right side
    13,590,711.58x = 140,272,653,597,572.77
  5. Step 5: Solve for x
    x = 140,272,653,597,572.77/13,590,711.58
  6. Step 6: Final answer
    x = 10,321,214.81

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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.