Home / 20,738,065.60-31,052,666.40-14,639,867.20

Finding the Fourth Proportional to 20,738,065.60, 31,052,666.40 and 14,639,867.20

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Solution

The fourth proportional to 20,738,065.60, 31,052,666.40 and 14,639,867.20 is: 21,921,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,065.60 : 31,052,666.40 = 14,639,867.20 : x
  2. Step 2: Convert to fraction form
    20,738,065.60/31,052,666.40 = 14,639,867.20/x
  3. Step 3: Cross multiply
    20,738,065.60x = 31,052,666.40 × 14,639,867.20
  4. Step 4: Simplify right side
    20,738,065.60x = 454,606,912,301,902.06
  5. Step 5: Solve for x
    x = 454,606,912,301,902.06/20,738,065.60
  6. Step 6: Final answer
    x = 21,921,374.98

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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.