Home / 8,304,278.40-12,456,417.60-5,099,011.20

Finding the Fourth Proportional to 8,304,278.40, 12,456,417.60 and 5,099,011.20

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Solution

The fourth proportional to 8,304,278.40, 12,456,417.60 and 5,099,011.20 is: 7,648,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,278.40 : 12,456,417.60 = 5,099,011.20 : x
  2. Step 2: Convert to fraction form
    8,304,278.40/12,456,417.60 = 5,099,011.20/x
  3. Step 3: Cross multiply
    8,304,278.40x = 12,456,417.60 × 5,099,011.20
  4. Step 4: Simplify right side
    8,304,278.40x = 63,515,412,854,277.12
  5. Step 5: Solve for x
    x = 63,515,412,854,277.12/8,304,278.40
  6. Step 6: Final answer
    x = 7,648,516.80

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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.