Home / 7,185,429.60-10,780,209.90-4,154,966.88

Finding the Fourth Proportional to 7,185,429.60, 10,780,209.90 and 4,154,966.88

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Solution

The fourth proportional to 7,185,429.60, 10,780,209.90 and 4,154,966.88 is: 6,233,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,429.60 : 10,780,209.90 = 4,154,966.88 : x
  2. Step 2: Convert to fraction form
    7,185,429.60/10,780,209.90 = 4,154,966.88/x
  3. Step 3: Cross multiply
    7,185,429.60x = 10,780,209.90 × 4,154,966.88
  4. Step 4: Simplify right side
    7,185,429.60x = 44,791,415,093,948.11
  5. Step 5: Solve for x
    x = 44,791,415,093,948.11/7,185,429.60
  6. Step 6: Final answer
    x = 6,233,644.69

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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.