Home / 15,830,502.94-21,846,464.01-8,861,007.13

Finding the Fourth Proportional to 15,830,502.94, 21,846,464.01 and 8,861,007.13

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Solution

The fourth proportional to 15,830,502.94, 21,846,464.01 and 8,861,007.13 is: 12,228,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830,502.94 : 21,846,464.01 = 8,861,007.13 : x
  2. Step 2: Convert to fraction form
    15,830,502.94/21,846,464.01 = 8,861,007.13/x
  3. Step 3: Cross multiply
    15,830,502.94x = 21,846,464.01 × 8,861,007.13
  4. Step 4: Simplify right side
    15,830,502.94x = 193,581,673,357,898.44
  5. Step 5: Solve for x
    x = 193,581,673,357,898.44/15,830,502.94
  6. Step 6: Final answer
    x = 12,228,396.92

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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.