Home / 21,264,659.60-31,896,989.40-14,882,118.80

Finding the Fourth Proportional to 21,264,659.60, 31,896,989.40 and 14,882,118.80

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Solution

The fourth proportional to 21,264,659.60, 31,896,989.40 and 14,882,118.80 is: 22,323,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264,659.60 : 31,896,989.40 = 14,882,118.80 : x
  2. Step 2: Convert to fraction form
    21,264,659.60/31,896,989.40 = 14,882,118.80/x
  3. Step 3: Cross multiply
    21,264,659.60x = 31,896,989.40 × 14,882,118.80
  4. Step 4: Simplify right side
    21,264,659.60x = 474,694,785,613,140.75
  5. Step 5: Solve for x
    x = 474,694,785,613,140.75/21,264,659.60
  6. Step 6: Final answer
    x = 22,323,178.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.