Home / 13,209,862.60-19,814,793.90-4,235,321.80

Finding the Fourth Proportional to 13,209,862.60, 19,814,793.90 and 4,235,321.80

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Solution

The fourth proportional to 13,209,862.60, 19,814,793.90 and 4,235,321.80 is: 6,352,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,862.60 : 19,814,793.90 = 4,235,321.80 : x
  2. Step 2: Convert to fraction form
    13,209,862.60/19,814,793.90 = 4,235,321.80/x
  3. Step 3: Cross multiply
    13,209,862.60x = 19,814,793.90 × 4,235,321.80
  4. Step 4: Simplify right side
    13,209,862.60x = 83,922,028,567,177.02
  5. Step 5: Solve for x
    x = 83,922,028,567,177.02/13,209,862.60
  6. Step 6: Final answer
    x = 6,352,982.70

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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.