Home / 28,768,381.71-43,152,946.55-9,599,138.79

Finding the Fourth Proportional to 28,768,381.71, 43,152,946.55 and 9,599,138.79

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Solution

The fourth proportional to 28,768,381.71, 43,152,946.55 and 9,599,138.79 is: 14,398,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768,381.71 : 43,152,946.55 = 9,599,138.79 : x
  2. Step 2: Convert to fraction form
    28,768,381.71/43,152,946.55 = 9,599,138.79/x
  3. Step 3: Cross multiply
    28,768,381.71x = 43,152,946.55 × 9,599,138.79
  4. Step 4: Simplify right side
    28,768,381.71x = 414,231,123,082,905.94
  5. Step 5: Solve for x
    x = 414,231,123,082,905.94/28,768,381.71
  6. Step 6: Final answer
    x = 14,398,832.97

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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.