Home / 20,153,150.95-30,223,869.92-7,854,377.05

Finding the Fourth Proportional to 20,153,150.95, 30,223,869.92 and 7,854,377.05

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Solution

The fourth proportional to 20,153,150.95, 30,223,869.92 and 7,854,377.05 is: 11,779,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,150.95 : 30,223,869.92 = 7,854,377.05 : x
  2. Step 2: Convert to fraction form
    20,153,150.95/30,223,869.92 = 7,854,377.05/x
  3. Step 3: Cross multiply
    20,153,150.95x = 30,223,869.92 × 7,854,377.05
  4. Step 4: Simplify right side
    20,153,150.95x = 237,389,670,281,469.28
  5. Step 5: Solve for x
    x = 237,389,670,281,469.28/20,153,150.95
  6. Step 6: Final answer
    x = 11,779,283.09

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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.