Home / 8,857,406.40-13,286,109.60-3,178,204.80

Finding the Fourth Proportional to 8,857,406.40, 13,286,109.60 and 3,178,204.80

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Solution

The fourth proportional to 8,857,406.40, 13,286,109.60 and 3,178,204.80 is: 4,767,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,406.40 : 13,286,109.60 = 3,178,204.80 : x
  2. Step 2: Convert to fraction form
    8,857,406.40/13,286,109.60 = 3,178,204.80/x
  3. Step 3: Cross multiply
    8,857,406.40x = 13,286,109.60 × 3,178,204.80
  4. Step 4: Simplify right side
    8,857,406.40x = 42,225,977,304,046.08
  5. Step 5: Solve for x
    x = 42,225,977,304,046.08/8,857,406.40
  6. Step 6: Final answer
    x = 4,767,307.20

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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.