Home / 20,784,068.40-31,176,102.60-9,446,660.40

Finding the Fourth Proportional to 20,784,068.40, 31,176,102.60 and 9,446,660.40

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Solution

The fourth proportional to 20,784,068.40, 31,176,102.60 and 9,446,660.40 is: 14,169,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784,068.40 : 31,176,102.60 = 9,446,660.40 : x
  2. Step 2: Convert to fraction form
    20,784,068.40/31,176,102.60 = 9,446,660.40/x
  3. Step 3: Cross multiply
    20,784,068.40x = 31,176,102.60 × 9,446,660.40
  4. Step 4: Simplify right side
    20,784,068.40x = 294,510,053,857,757.06
  5. Step 5: Solve for x
    x = 294,510,053,857,757.06/20,784,068.40
  6. Step 6: Final answer
    x = 14,169,990.60

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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.