Home / 20,291,988.22-30,437,538.88-4,939,358.92

Finding the Fourth Proportional to 20,291,988.22, 30,437,538.88 and 4,939,358.92

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Solution

The fourth proportional to 20,291,988.22, 30,437,538.88 and 4,939,358.92 is: 7,408,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291,988.22 : 30,437,538.88 = 4,939,358.92 : x
  2. Step 2: Convert to fraction form
    20,291,988.22/30,437,538.88 = 4,939,358.92/x
  3. Step 3: Cross multiply
    20,291,988.22x = 30,437,538.88 × 4,939,358.92
  4. Step 4: Simplify right side
    20,291,988.22x = 150,341,929,169,774.81
  5. Step 5: Solve for x
    x = 150,341,929,169,774.81/20,291,988.22
  6. Step 6: Final answer
    x = 7,408,930.44

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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.