Home / 8,321,353.60-12,482,030.40-7,061,641.60

Finding the Fourth Proportional to 8,321,353.60, 12,482,030.40 and 7,061,641.60

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Solution

The fourth proportional to 8,321,353.60, 12,482,030.40 and 7,061,641.60 is: 10,592,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,353.60 : 12,482,030.40 = 7,061,641.60 : x
  2. Step 2: Convert to fraction form
    8,321,353.60/12,482,030.40 = 7,061,641.60/x
  3. Step 3: Cross multiply
    8,321,353.60x = 12,482,030.40 × 7,061,641.60
  4. Step 4: Simplify right side
    8,321,353.60x = 88,143,625,125,104.64
  5. Step 5: Solve for x
    x = 88,143,625,125,104.64/8,321,353.60
  6. Step 6: Final answer
    x = 10,592,462.40

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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.