Home / 38,758,319.78-58,082,636.90-21,494,113.86

Finding the Fourth Proportional to 38,758,319.78, 58,082,636.90 and 21,494,113.86

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Solution

The fourth proportional to 38,758,319.78, 58,082,636.90 and 21,494,113.86 is: 32,210,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,758,319.78 : 58,082,636.90 = 21,494,113.86 : x
  2. Step 2: Convert to fraction form
    38,758,319.78/58,082,636.90 = 21,494,113.86/x
  3. Step 3: Cross multiply
    38,758,319.78x = 58,082,636.90 × 21,494,113.86
  4. Step 4: Simplify right side
    38,758,319.78x = 1,248,434,810,817,637.25
  5. Step 5: Solve for x
    x = 1,248,434,810,817,637.25/38,758,319.78
  6. Step 6: Final answer
    x = 32,210,756.76

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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.