Home / 8,229,871.79-12,346,541.11-3,112,188.39

Finding the Fourth Proportional to 8,229,871.79, 12,346,541.11 and 3,112,188.39

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Solution

The fourth proportional to 8,229,871.79, 12,346,541.11 and 3,112,188.39 is: 4,668,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,871.79 : 12,346,541.11 = 3,112,188.39 : x
  2. Step 2: Convert to fraction form
    8,229,871.79/12,346,541.11 = 3,112,188.39/x
  3. Step 3: Cross multiply
    8,229,871.79x = 12,346,541.11 × 3,112,188.39
  4. Step 4: Simplify right side
    8,229,871.79x = 38,424,761,899,199.71
  5. Step 5: Solve for x
    x = 38,424,761,899,199.71/8,229,871.79
  6. Step 6: Final answer
    x = 4,668,938.09

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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.