Home / 8,753,858.34-12,081,349.20-7,281,168.72

Finding the Fourth Proportional to 8,753,858.34, 12,081,349.20 and 7,281,168.72

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Solution

The fourth proportional to 8,753,858.34, 12,081,349.20 and 7,281,168.72 is: 10,048,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753,858.34 : 12,081,349.20 = 7,281,168.72 : x
  2. Step 2: Convert to fraction form
    8,753,858.34/12,081,349.20 = 7,281,168.72/x
  3. Step 3: Cross multiply
    8,753,858.34x = 12,081,349.20 × 7,281,168.72
  4. Step 4: Simplify right side
    8,753,858.34x = 87,966,341,890,437.02
  5. Step 5: Solve for x
    x = 87,966,341,890,437.02/8,753,858.34
  6. Step 6: Final answer
    x = 10,048,865.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.