Home / 13,341,952.28-18,411,909.90-7,230,380.78

Finding the Fourth Proportional to 13,341,952.28, 18,411,909.90 and 7,230,380.78

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Solution

The fourth proportional to 13,341,952.28, 18,411,909.90 and 7,230,380.78 is: 9,977,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,952.28 : 18,411,909.90 = 7,230,380.78 : x
  2. Step 2: Convert to fraction form
    13,341,952.28/18,411,909.90 = 7,230,380.78/x
  3. Step 3: Cross multiply
    13,341,952.28x = 18,411,909.90 × 7,230,380.78
  4. Step 4: Simplify right side
    13,341,952.28x = 133,125,119,482,967.55
  5. Step 5: Solve for x
    x = 133,125,119,482,967.55/13,341,952.28
  6. Step 6: Final answer
    x = 9,977,934.01

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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.