Home / 13,134,165.65-18,123,773.72-7,626,466.90

Finding the Fourth Proportional to 13,134,165.65, 18,123,773.72 and 7,626,466.90

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Solution

The fourth proportional to 13,134,165.65, 18,123,773.72 and 7,626,466.90 is: 10,523,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,165.65 : 18,123,773.72 = 7,626,466.90 : x
  2. Step 2: Convert to fraction form
    13,134,165.65/18,123,773.72 = 7,626,466.90/x
  3. Step 3: Cross multiply
    13,134,165.65x = 18,123,773.72 × 7,626,466.90
  4. Step 4: Simplify right side
    13,134,165.65x = 138,220,360,378,669.86
  5. Step 5: Solve for x
    x = 138,220,360,378,669.86/13,134,165.65
  6. Step 6: Final answer
    x = 10,523,725.99

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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.