Home / 20,239,332.60-30,348,501.30-7,453,255.80

Finding the Fourth Proportional to 20,239,332.60, 30,348,501.30 and 7,453,255.80

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Solution

The fourth proportional to 20,239,332.60, 30,348,501.30 and 7,453,255.80 is: 11,176,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239,332.60 : 30,348,501.30 = 7,453,255.80 : x
  2. Step 2: Convert to fraction form
    20,239,332.60/30,348,501.30 = 7,453,255.80/x
  3. Step 3: Cross multiply
    20,239,332.60x = 30,348,501.30 × 7,453,255.80
  4. Step 4: Simplify right side
    20,239,332.60x = 226,195,143,335,532.53
  5. Step 5: Solve for x
    x = 226,195,143,335,532.53/20,239,332.60
  6. Step 6: Final answer
    x = 11,176,017.90

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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.