Home / 20,206,472.59-30,328,871.19-12,506,826.67

Finding the Fourth Proportional to 20,206,472.59, 30,328,871.19 and 12,506,826.67

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Solution

The fourth proportional to 20,206,472.59, 30,328,871.19 and 12,506,826.67 is: 18,772,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206,472.59 : 30,328,871.19 = 12,506,826.67 : x
  2. Step 2: Convert to fraction form
    20,206,472.59/30,328,871.19 = 12,506,826.67/x
  3. Step 3: Cross multiply
    20,206,472.59x = 30,328,871.19 × 12,506,826.67
  4. Step 4: Simplify right side
    20,206,472.59x = 379,317,935,154,898.38
  5. Step 5: Solve for x
    x = 379,317,935,154,898.38/20,206,472.59
  6. Step 6: Final answer
    x = 18,772,100.55

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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.