Home / 9,131,005.17-12,600,545.97-5,210,691.03

Finding the Fourth Proportional to 9,131,005.17, 12,600,545.97 and 5,210,691.03

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Solution

The fourth proportional to 9,131,005.17, 12,600,545.97 and 5,210,691.03 is: 7,190,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,005.17 : 12,600,545.97 = 5,210,691.03 : x
  2. Step 2: Convert to fraction form
    9,131,005.17/12,600,545.97 = 5,210,691.03/x
  3. Step 3: Cross multiply
    9,131,005.17x = 12,600,545.97 × 5,210,691.03
  4. Step 4: Simplify right side
    9,131,005.17x = 65,657,551,839,441.56
  5. Step 5: Solve for x
    x = 65,657,551,839,441.56/9,131,005.17
  6. Step 6: Final answer
    x = 7,190,615.99

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1.5x scale

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.