Home / 8,456,475.40-12,684,713.10-6,304,139.35

Finding the Fourth Proportional to 8,456,475.40, 12,684,713.10 and 6,304,139.35

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Solution

The fourth proportional to 8,456,475.40, 12,684,713.10 and 6,304,139.35 is: 9,456,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,475.40 : 12,684,713.10 = 6,304,139.35 : x
  2. Step 2: Convert to fraction form
    8,456,475.40/12,684,713.10 = 6,304,139.35/x
  3. Step 3: Cross multiply
    8,456,475.40x = 12,684,713.10 × 6,304,139.35
  4. Step 4: Simplify right side
    8,456,475.40x = 79,966,198,997,170.48
  5. Step 5: Solve for x
    x = 79,966,198,997,170.48/8,456,475.40
  6. Step 6: Final answer
    x = 9,456,209.03

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Similar ratio
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1.5x scale

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.