Home / 8,788,490.88-12,126,155.93-5,304,394.81

Finding the Fourth Proportional to 8,788,490.88, 12,126,155.93 and 5,304,394.81

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Solution

The fourth proportional to 8,788,490.88, 12,126,155.93 and 5,304,394.81 is: 7,318,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,490.88 : 12,126,155.93 = 5,304,394.81 : x
  2. Step 2: Convert to fraction form
    8,788,490.88/12,126,155.93 = 5,304,394.81/x
  3. Step 3: Cross multiply
    8,788,490.88x = 12,126,155.93 × 5,304,394.81
  4. Step 4: Simplify right side
    8,788,490.88x = 64,321,918,553,820.75
  5. Step 5: Solve for x
    x = 64,321,918,553,820.75/8,788,490.88
  6. Step 6: Final answer
    x = 7,318,880.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.