Home / 28,347,319.59-42,527,737.22-9,178,082.34

Finding the Fourth Proportional to 28,347,319.59, 42,527,737.22 and 9,178,082.34

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Solution

The fourth proportional to 28,347,319.59, 42,527,737.22 and 9,178,082.34 is: 13,769,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,319.59 : 42,527,737.22 = 9,178,082.34 : x
  2. Step 2: Convert to fraction form
    28,347,319.59/42,527,737.22 = 9,178,082.34/x
  3. Step 3: Cross multiply
    28,347,319.59x = 42,527,737.22 × 9,178,082.34
  4. Step 4: Simplify right side
    28,347,319.59x = 390,323,073,893,152.31
  5. Step 5: Solve for x
    x = 390,323,073,893,152.31/28,347,319.59
  6. Step 6: Final answer
    x = 13,769,311.51

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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.