Home / 8,881,780.20-13,304,955.60-6,189,145.80

Finding the Fourth Proportional to 8,881,780.20, 13,304,955.60 and 6,189,145.80

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Solution

The fourth proportional to 8,881,780.20, 13,304,955.60 and 6,189,145.80 is: 9,271,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,780.20 : 13,304,955.60 = 6,189,145.80 : x
  2. Step 2: Convert to fraction form
    8,881,780.20/13,304,955.60 = 6,189,145.80/x
  3. Step 3: Cross multiply
    8,881,780.20x = 13,304,955.60 × 6,189,145.80
  4. Step 4: Simplify right side
    8,881,780.20x = 82,346,310,070,926.47
  5. Step 5: Solve for x
    x = 82,346,310,070,926.47/8,881,780.20
  6. Step 6: Final answer
    x = 9,271,374.46

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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.