Home / 8,788,490.38-12,126,155.24-5,304,394.31

Finding the Fourth Proportional to 8,788,490.38, 12,126,155.24 and 5,304,394.31

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Solution

The fourth proportional to 8,788,490.38, 12,126,155.24 and 5,304,394.31 is: 7,318,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,490.38 : 12,126,155.24 = 5,304,394.31 : x
  2. Step 2: Convert to fraction form
    8,788,490.38/12,126,155.24 = 5,304,394.31/x
  3. Step 3: Cross multiply
    8,788,490.38x = 12,126,155.24 × 5,304,394.31
  4. Step 4: Simplify right side
    8,788,490.38x = 64,321,908,830,710.70
  5. Step 5: Solve for x
    x = 64,321,908,830,710.70/8,788,490.38
  6. Step 6: Final answer
    x = 7,318,880.27

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1.5x scale

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.