Home / 20,650,127.58-28,497,199.68-11,482,573.50

Finding the Fourth Proportional to 20,650,127.58, 28,497,199.68 and 11,482,573.50

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Solution

The fourth proportional to 20,650,127.58, 28,497,199.68 and 11,482,573.50 is: 15,845,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,127.58 : 28,497,199.68 = 11,482,573.50 : x
  2. Step 2: Convert to fraction form
    20,650,127.58/28,497,199.68 = 11,482,573.50/x
  3. Step 3: Cross multiply
    20,650,127.58x = 28,497,199.68 × 11,482,573.50
  4. Step 4: Simplify right side
    20,650,127.58x = 327,221,189,869,776.50
  5. Step 5: Solve for x
    x = 327,221,189,869,776.50/20,650,127.58
  6. Step 6: Final answer
    x = 15,845,964.56

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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.