Home / 13,425,725.60-20,138,588.40-3,841,416.80

Finding the Fourth Proportional to 13,425,725.60, 20,138,588.40 and 3,841,416.80

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Solution

The fourth proportional to 13,425,725.60, 20,138,588.40 and 3,841,416.80 is: 5,762,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,725.60 : 20,138,588.40 = 3,841,416.80 : x
  2. Step 2: Convert to fraction form
    13,425,725.60/20,138,588.40 = 3,841,416.80/x
  3. Step 3: Cross multiply
    13,425,725.60x = 20,138,588.40 × 3,841,416.80
  4. Step 4: Simplify right side
    13,425,725.60x = 77,360,711,808,045.11
  5. Step 5: Solve for x
    x = 77,360,711,808,045.11/13,425,725.60
  6. Step 6: Final answer
    x = 5,762,125.20

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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.