Home / 13,496,721.50-18,625,475.68-7,385,150

Finding the Fourth Proportional to 13,496,721.50, 18,625,475.68 and 7,385,150

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Solution

The fourth proportional to 13,496,721.50, 18,625,475.68 and 7,385,150 is: 10,191,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496,721.50 : 18,625,475.68 = 7,385,150 : x
  2. Step 2: Convert to fraction form
    13,496,721.50/18,625,475.68 = 7,385,150/x
  3. Step 3: Cross multiply
    13,496,721.50x = 18,625,475.68 × 7,385,150
  4. Step 4: Simplify right side
    13,496,721.50x = 137,551,931,718,152
  5. Step 5: Solve for x
    x = 137,551,931,718,152/13,496,721.50
  6. Step 6: Final answer
    x = 10,191,507.01

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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.