Home / 28,082,051.20-42,123,076.80-17,465,219.20

Finding the Fourth Proportional to 28,082,051.20, 42,123,076.80 and 17,465,219.20

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Solution

The fourth proportional to 28,082,051.20, 42,123,076.80 and 17,465,219.20 is: 26,197,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,051.20 : 42,123,076.80 = 17,465,219.20 : x
  2. Step 2: Convert to fraction form
    28,082,051.20/42,123,076.80 = 17,465,219.20/x
  3. Step 3: Cross multiply
    28,082,051.20x = 42,123,076.80 × 17,465,219.20
  4. Step 4: Simplify right side
    28,082,051.20x = 735,688,769,690,434.50
  5. Step 5: Solve for x
    x = 735,688,769,690,434.50/28,082,051.20
  6. Step 6: Final answer
    x = 26,197,828.80

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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.