Home / 15,064,553.54-20,791,355.13-9,187,599.02

Finding the Fourth Proportional to 15,064,553.54, 20,791,355.13 and 9,187,599.02

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Solution

The fourth proportional to 15,064,553.54, 20,791,355.13 and 9,187,599.02 is: 12,680,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064,553.54 : 20,791,355.13 = 9,187,599.02 : x
  2. Step 2: Convert to fraction form
    15,064,553.54/20,791,355.13 = 9,187,599.02/x
  3. Step 3: Cross multiply
    15,064,553.54x = 20,791,355.13 × 9,187,599.02
  4. Step 4: Simplify right side
    15,064,553.54x = 191,022,633,912,903.19
  5. Step 5: Solve for x
    x = 191,022,633,912,903.19/15,064,553.54
  6. Step 6: Final answer
    x = 12,680,271.83

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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.