Home / 13,486,586.60-20,229,879.90-13,402,605.80

Finding the Fourth Proportional to 13,486,586.60, 20,229,879.90 and 13,402,605.80

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Solution

The fourth proportional to 13,486,586.60, 20,229,879.90 and 13,402,605.80 is: 20,103,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,586.60 : 20,229,879.90 = 13,402,605.80 : x
  2. Step 2: Convert to fraction form
    13,486,586.60/20,229,879.90 = 13,402,605.80/x
  3. Step 3: Cross multiply
    13,486,586.60x = 20,229,879.90 × 13,402,605.80
  4. Step 4: Simplify right side
    13,486,586.60x = 271,133,105,681,043.41
  5. Step 5: Solve for x
    x = 271,133,105,681,043.41/13,486,586.60
  6. Step 6: Final answer
    x = 20,103,908.70

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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.