Home / 8,449,681.20-12,653,851.32-7,630,868.40

Finding the Fourth Proportional to 8,449,681.20, 12,653,851.32 and 7,630,868.40

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Solution

The fourth proportional to 8,449,681.20, 12,653,851.32 and 7,630,868.40 is: 11,427,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,681.20 : 12,653,851.32 = 7,630,868.40 : x
  2. Step 2: Convert to fraction form
    8,449,681.20/12,653,851.32 = 7,630,868.40/x
  3. Step 3: Cross multiply
    8,449,681.20x = 12,653,851.32 × 7,630,868.40
  4. Step 4: Simplify right side
    8,449,681.20x = 96,559,874,176,086.30
  5. Step 5: Solve for x
    x = 96,559,874,176,086.30/8,449,681.20
  6. Step 6: Final answer
    x = 11,427,635.18

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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.