Home / 13,802,999.40-20,704,499.10-8,701,165.80

Finding the Fourth Proportional to 13,802,999.40, 20,704,499.10 and 8,701,165.80

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Solution

The fourth proportional to 13,802,999.40, 20,704,499.10 and 8,701,165.80 is: 13,051,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,999.40 : 20,704,499.10 = 8,701,165.80 : x
  2. Step 2: Convert to fraction form
    13,802,999.40/20,704,499.10 = 8,701,165.80/x
  3. Step 3: Cross multiply
    13,802,999.40x = 20,704,499.10 × 8,701,165.80
  4. Step 4: Simplify right side
    13,802,999.40x = 180,153,279,475,050.81
  5. Step 5: Solve for x
    x = 180,153,279,475,050.81/13,802,999.40
  6. Step 6: Final answer
    x = 13,051,748.70

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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.