Home / 8,191,125.60-12,286,688.40-8,031,693.30

Finding the Fourth Proportional to 8,191,125.60, 12,286,688.40 and 8,031,693.30

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Solution

The fourth proportional to 8,191,125.60, 12,286,688.40 and 8,031,693.30 is: 12,047,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,125.60 : 12,286,688.40 = 8,031,693.30 : x
  2. Step 2: Convert to fraction form
    8,191,125.60/12,286,688.40 = 8,031,693.30/x
  3. Step 3: Cross multiply
    8,191,125.60x = 12,286,688.40 × 8,031,693.30
  4. Step 4: Simplify right side
    8,191,125.60x = 98,682,912,901,467.72
  5. Step 5: Solve for x
    x = 98,682,912,901,467.72/8,191,125.60
  6. Step 6: Final answer
    x = 12,047,539.95

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Similar ratio
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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.