Home / 10,659,415.80-15,989,123.70-9,651,646.20

Finding the Fourth Proportional to 10,659,415.80, 15,989,123.70 and 9,651,646.20

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Solution

The fourth proportional to 10,659,415.80, 15,989,123.70 and 9,651,646.20 is: 14,477,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,415.80 : 15,989,123.70 = 9,651,646.20 : x
  2. Step 2: Convert to fraction form
    10,659,415.80/15,989,123.70 = 9,651,646.20/x
  3. Step 3: Cross multiply
    10,659,415.80x = 15,989,123.70 × 9,651,646.20
  4. Step 4: Simplify right side
    10,659,415.80x = 154,321,365,000,434.91
  5. Step 5: Solve for x
    x = 154,321,365,000,434.91/10,659,415.80
  6. Step 6: Final answer
    x = 14,477,469.30

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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.