Home / 23,180,061.32-31,986,884.34-12,865,973

Finding the Fourth Proportional to 23,180,061.32, 31,986,884.34 and 12,865,973

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Solution

The fourth proportional to 23,180,061.32, 31,986,884.34 and 12,865,973 is: 17,754,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180,061.32 : 31,986,884.34 = 12,865,973 : x
  2. Step 2: Convert to fraction form
    23,180,061.32/31,986,884.34 = 12,865,973/x
  3. Step 3: Cross multiply
    23,180,061.32x = 31,986,884.34 × 12,865,973
  4. Step 4: Simplify right side
    23,180,061.32x = 411,542,390,272,562.81
  5. Step 5: Solve for x
    x = 411,542,390,272,562.81/23,180,061.32
  6. Step 6: Final answer
    x = 17,754,154.51

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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.