Home / 20,259,909.24-30,386,150.10-5,488,290.36

Finding the Fourth Proportional to 20,259,909.24, 30,386,150.10 and 5,488,290.36

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Solution

The fourth proportional to 20,259,909.24, 30,386,150.10 and 5,488,290.36 is: 8,231,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259,909.24 : 30,386,150.10 = 5,488,290.36 : x
  2. Step 2: Convert to fraction form
    20,259,909.24/30,386,150.10 = 5,488,290.36/x
  3. Step 3: Cross multiply
    20,259,909.24x = 30,386,150.10 × 5,488,290.36
  4. Step 4: Simplify right side
    20,259,909.24x = 166,768,014,671,343.06
  5. Step 5: Solve for x
    x = 166,768,014,671,343.06/20,259,909.24
  6. Step 6: Final answer
    x = 8,231,429.50

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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.