Home / 20,666,210.92-30,983,872.38-14,258,177.80

Finding the Fourth Proportional to 20,666,210.92, 30,983,872.38 and 14,258,177.80

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Solution

The fourth proportional to 20,666,210.92, 30,983,872.38 and 14,258,177.80 is: 21,376,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666,210.92 : 30,983,872.38 = 14,258,177.80 : x
  2. Step 2: Convert to fraction form
    20,666,210.92/30,983,872.38 = 14,258,177.80/x
  3. Step 3: Cross multiply
    20,666,210.92x = 30,983,872.38 × 14,258,177.80
  4. Step 4: Simplify right side
    20,666,210.92x = 441,773,561,326,549.19
  5. Step 5: Solve for x
    x = 441,773,561,326,549.19/20,666,210.92
  6. Step 6: Final answer
    x = 21,376,611.47

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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.