Home / 13,873,292.40-20,801,644.20-7,154,828.40

Finding the Fourth Proportional to 13,873,292.40, 20,801,644.20 and 7,154,828.40

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Solution

The fourth proportional to 13,873,292.40, 20,801,644.20 and 7,154,828.40 is: 10,727,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,292.40 : 20,801,644.20 = 7,154,828.40 : x
  2. Step 2: Convert to fraction form
    13,873,292.40/20,801,644.20 = 7,154,828.40/x
  3. Step 3: Cross multiply
    13,873,292.40x = 20,801,644.20 × 7,154,828.40
  4. Step 4: Simplify right side
    13,873,292.40x = 148,832,194,688,855.28
  5. Step 5: Solve for x
    x = 148,832,194,688,855.28/13,873,292.40
  6. Step 6: Final answer
    x = 10,727,964.96

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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.