Home / 15,631,195.32-21,522,898.20-13,885,838.10

Finding the Fourth Proportional to 15,631,195.32, 21,522,898.20 and 13,885,838.10

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Solution

The fourth proportional to 15,631,195.32, 21,522,898.20 and 13,885,838.10 is: 19,119,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,195.32 : 21,522,898.20 = 13,885,838.10 : x
  2. Step 2: Convert to fraction form
    15,631,195.32/21,522,898.20 = 13,885,838.10/x
  3. Step 3: Cross multiply
    15,631,195.32x = 21,522,898.20 × 13,885,838.10
  4. Step 4: Simplify right side
    15,631,195.32x = 298,863,479,847,981.38
  5. Step 5: Solve for x
    x = 298,863,479,847,981.38/15,631,195.32
  6. Step 6: Final answer
    x = 19,119,681.75

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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.