Home / 18,773,165.89-28,154,325.07-8,532,319.69

Finding the Fourth Proportional to 18,773,165.89, 28,154,325.07 and 8,532,319.69

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Solution

The fourth proportional to 18,773,165.89, 28,154,325.07 and 8,532,319.69 is: 12,796,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773,165.89 : 28,154,325.07 = 8,532,319.69 : x
  2. Step 2: Convert to fraction form
    18,773,165.89/28,154,325.07 = 8,532,319.69/x
  3. Step 3: Cross multiply
    18,773,165.89x = 28,154,325.07 × 8,532,319.69
  4. Step 4: Simplify right side
    18,773,165.89x = 240,221,702,061,705
  5. Step 5: Solve for x
    x = 240,221,702,061,705/18,773,165.89
  6. Step 6: Final answer
    x = 12,796,014.45

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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.