Home / 13,486,543.60-20,229,815.40-13,402,562.80

Finding the Fourth Proportional to 13,486,543.60, 20,229,815.40 and 13,402,562.80

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Solution

The fourth proportional to 13,486,543.60, 20,229,815.40 and 13,402,562.80 is: 20,103,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,543.60 : 20,229,815.40 = 13,402,562.80 : x
  2. Step 2: Convert to fraction form
    13,486,543.60/20,229,815.40 = 13,402,562.80/x
  3. Step 3: Cross multiply
    13,486,543.60x = 20,229,815.40 × 13,402,562.80
  4. Step 4: Simplify right side
    13,486,543.60x = 271,131,371,330,907.12
  5. Step 5: Solve for x
    x = 271,131,371,330,907.12/13,486,543.60
  6. Step 6: Final answer
    x = 20,103,844.20

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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.