Home / 52,378,082.32-72,287,391.50-28,858,983.48

Finding the Fourth Proportional to 52,378,082.32, 72,287,391.50 and 28,858,983.48

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Solution

The fourth proportional to 52,378,082.32, 72,287,391.50 and 28,858,983.48 is: 39,828,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378,082.32 : 72,287,391.50 = 28,858,983.48 : x
  2. Step 2: Convert to fraction form
    52,378,082.32/72,287,391.50 = 28,858,983.48/x
  3. Step 3: Cross multiply
    52,378,082.32x = 72,287,391.50 × 28,858,983.48
  4. Step 4: Simplify right side
    52,378,082.32x = 2,086,140,637,110,792.50
  5. Step 5: Solve for x
    x = 2,086,140,637,110,792.50/52,378,082.32
  6. Step 6: Final answer
    x = 39,828,503.54

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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.