Home / 8,612,439.81-12,918,764.78-2,547,294.11

Finding the Fourth Proportional to 8,612,439.81, 12,918,764.78 and 2,547,294.11

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Solution

The fourth proportional to 8,612,439.81, 12,918,764.78 and 2,547,294.11 is: 3,820,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,439.81 : 12,918,764.78 = 2,547,294.11 : x
  2. Step 2: Convert to fraction form
    8,612,439.81/12,918,764.78 = 2,547,294.11/x
  3. Step 3: Cross multiply
    8,612,439.81x = 12,918,764.78 × 2,547,294.11
  4. Step 4: Simplify right side
    8,612,439.81x = 32,907,893,434,856.55
  5. Step 5: Solve for x
    x = 32,907,893,434,856.55/8,612,439.81
  6. Step 6: Final answer
    x = 3,820,972.24

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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.