Home / 12,264,248.32-16,931,677.92-8,139,872.56

Finding the Fourth Proportional to 12,264,248.32, 16,931,677.92 and 8,139,872.56

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Solution

The fourth proportional to 12,264,248.32, 16,931,677.92 and 8,139,872.56 is: 11,237,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,248.32 : 16,931,677.92 = 8,139,872.56 : x
  2. Step 2: Convert to fraction form
    12,264,248.32/16,931,677.92 = 8,139,872.56/x
  3. Step 3: Cross multiply
    12,264,248.32x = 16,931,677.92 × 8,139,872.56
  4. Step 4: Simplify right side
    12,264,248.32x = 137,821,700,495,765.89
  5. Step 5: Solve for x
    x = 137,821,700,495,765.89/12,264,248.32
  6. Step 6: Final answer
    x = 11,237,680.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.