Home / 13,015,874.21-19,517,691.76-4,812,848.69

Finding the Fourth Proportional to 13,015,874.21, 19,517,691.76 and 4,812,848.69

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Solution

The fourth proportional to 13,015,874.21, 19,517,691.76 and 4,812,848.69 is: 7,217,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,874.21 : 19,517,691.76 = 4,812,848.69 : x
  2. Step 2: Convert to fraction form
    13,015,874.21/19,517,691.76 = 4,812,848.69/x
  3. Step 3: Cross multiply
    13,015,874.21x = 19,517,691.76 × 4,812,848.69
  4. Step 4: Simplify right side
    13,015,874.21x = 93,935,697,109,319.20
  5. Step 5: Solve for x
    x = 93,935,697,109,319.20/13,015,874.21
  6. Step 6: Final answer
    x = 7,217,010.22

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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.