Home / 15,412,859.90-21,244,957.26-10,449,692.72

Finding the Fourth Proportional to 15,412,859.90, 21,244,957.26 and 10,449,692.72

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Solution

The fourth proportional to 15,412,859.90, 21,244,957.26 and 10,449,692.72 is: 14,403,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,859.90 : 21,244,957.26 = 10,449,692.72 : x
  2. Step 2: Convert to fraction form
    15,412,859.90/21,244,957.26 = 10,449,692.72/x
  3. Step 3: Cross multiply
    15,412,859.90x = 21,244,957.26 × 10,449,692.72
  4. Step 4: Simplify right side
    15,412,859.90x = 222,003,275,216,533.19
  5. Step 5: Solve for x
    x = 222,003,275,216,533.19/15,412,859.90
  6. Step 6: Final answer
    x = 14,403,769.10

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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.