Home / 28,248,312.90-42,377,998.95-12,074,232.90

Finding the Fourth Proportional to 28,248,312.90, 42,377,998.95 and 12,074,232.90

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Solution

The fourth proportional to 28,248,312.90, 42,377,998.95 and 12,074,232.90 is: 18,113,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,312.90 : 42,377,998.95 = 12,074,232.90 : x
  2. Step 2: Convert to fraction form
    28,248,312.90/42,377,998.95 = 12,074,232.90/x
  3. Step 3: Cross multiply
    28,248,312.90x = 42,377,998.95 × 12,074,232.90
  4. Step 4: Simplify right side
    28,248,312.90x = 511,681,829,158,255.50
  5. Step 5: Solve for x
    x = 511,681,829,158,255.50/28,248,312.90
  6. Step 6: Final answer
    x = 18,113,712.88

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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.