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Finding the Fourth Proportional to 8,952,409.70, 13,428,614.55 and 2,968,000.10

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Solution

The fourth proportional to 8,952,409.70, 13,428,614.55 and 2,968,000.10 is: 4,452,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952,409.70 : 13,428,614.55 = 2,968,000.10 : x
  2. Step 2: Convert to fraction form
    8,952,409.70/13,428,614.55 = 2,968,000.10/x
  3. Step 3: Cross multiply
    8,952,409.70x = 13,428,614.55 × 2,968,000.10
  4. Step 4: Simplify right side
    8,952,409.70x = 39,856,129,327,261.46
  5. Step 5: Solve for x
    x = 39,856,129,327,261.46/8,952,409.70
  6. Step 6: Final answer
    x = 4,452,000.15

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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.