Home / 8,384,005.20-12,576,007.80-7,455,032.40

Finding the Fourth Proportional to 8,384,005.20, 12,576,007.80 and 7,455,032.40

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Solution

The fourth proportional to 8,384,005.20, 12,576,007.80 and 7,455,032.40 is: 11,182,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384,005.20 : 12,576,007.80 = 7,455,032.40 : x
  2. Step 2: Convert to fraction form
    8,384,005.20/12,576,007.80 = 7,455,032.40/x
  3. Step 3: Cross multiply
    8,384,005.20x = 12,576,007.80 × 7,455,032.40
  4. Step 4: Simplify right side
    8,384,005.20x = 93,754,545,611,652.73
  5. Step 5: Solve for x
    x = 93,754,545,611,652.73/8,384,005.20
  6. Step 6: Final answer
    x = 11,182,548.60

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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.