Home / 8,400,999.60-12,592,642.05-3,281,451.30

Finding the Fourth Proportional to 8,400,999.60, 12,592,642.05 and 3,281,451.30

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Solution

The fourth proportional to 8,400,999.60, 12,592,642.05 and 3,281,451.30 is: 4,918,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,999.60 : 12,592,642.05 = 3,281,451.30 : x
  2. Step 2: Convert to fraction form
    8,400,999.60/12,592,642.05 = 3,281,451.30/x
  3. Step 3: Cross multiply
    8,400,999.60x = 12,592,642.05 × 3,281,451.30
  4. Step 4: Simplify right side
    8,400,999.60x = 41,322,141,625,407.16
  5. Step 5: Solve for x
    x = 41,322,141,625,407.16/8,400,999.60
  6. Step 6: Final answer
    x = 4,918,717.25

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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.