Home / 8,121,267.95-12,182,653.48-2,656,393.72

Finding the Fourth Proportional to 8,121,267.95, 12,182,653.48 and 2,656,393.72

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Solution

The fourth proportional to 8,121,267.95, 12,182,653.48 and 2,656,393.72 is: 3,984,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,267.95 : 12,182,653.48 = 2,656,393.72 : x
  2. Step 2: Convert to fraction form
    8,121,267.95/12,182,653.48 = 2,656,393.72/x
  3. Step 3: Cross multiply
    8,121,267.95x = 12,182,653.48 × 2,656,393.72
  4. Step 4: Simplify right side
    8,121,267.95x = 32,361,924,165,091.26
  5. Step 5: Solve for x
    x = 32,361,924,165,091.26/8,121,267.95
  6. Step 6: Final answer
    x = 3,984,836.40

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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.