Home / 13,425,335.40-20,138,003.10-8,323,501.80

Finding the Fourth Proportional to 13,425,335.40, 20,138,003.10 and 8,323,501.80

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Solution

The fourth proportional to 13,425,335.40, 20,138,003.10 and 8,323,501.80 is: 12,485,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,335.40 : 20,138,003.10 = 8,323,501.80 : x
  2. Step 2: Convert to fraction form
    13,425,335.40/20,138,003.10 = 8,323,501.80/x
  3. Step 3: Cross multiply
    13,425,335.40x = 20,138,003.10 × 8,323,501.80
  4. Step 4: Simplify right side
    13,425,335.40x = 167,618,705,051,255.59
  5. Step 5: Solve for x
    x = 167,618,705,051,255.59/13,425,335.40
  6. Step 6: Final answer
    x = 12,485,252.70

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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.