Home / 28,135,446.86-38,826,082.74-15,577,061.21

Finding the Fourth Proportional to 28,135,446.86, 38,826,082.74 and 15,577,061.21

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Solution

The fourth proportional to 28,135,446.86, 38,826,082.74 and 15,577,061.21 is: 21,495,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,446.86 : 38,826,082.74 = 15,577,061.21 : x
  2. Step 2: Convert to fraction form
    28,135,446.86/38,826,082.74 = 15,577,061.21/x
  3. Step 3: Cross multiply
    28,135,446.86x = 38,826,082.74 × 15,577,061.21
  4. Step 4: Simplify right side
    28,135,446.86x = 604,796,267,191,374.12
  5. Step 5: Solve for x
    x = 604,796,267,191,374.12/28,135,446.86
  6. Step 6: Final answer
    x = 21,495,882.77

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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.