Home / 13,989,818.10-20,987,679.60-4,406,165.40

Finding the Fourth Proportional to 13,989,818.10, 20,987,679.60 and 4,406,165.40

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Solution

The fourth proportional to 13,989,818.10, 20,987,679.60 and 4,406,165.40 is: 6,610,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,818.10 : 20,987,679.60 = 4,406,165.40 : x
  2. Step 2: Convert to fraction form
    13,989,818.10/20,987,679.60 = 4,406,165.40/x
  3. Step 3: Cross multiply
    13,989,818.10x = 20,987,679.60 × 4,406,165.40
  4. Step 4: Simplify right side
    13,989,818.10x = 92,475,187,679,805.86
  5. Step 5: Solve for x
    x = 92,475,187,679,805.86/13,989,818.10
  6. Step 6: Final answer
    x = 6,610,177.99

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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.