Home / 13,812,003.85-20,712,305.58-4,714,834.18

Finding the Fourth Proportional to 13,812,003.85, 20,712,305.58 and 4,714,834.18

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Solution

The fourth proportional to 13,812,003.85, 20,712,305.58 and 4,714,834.18 is: 7,070,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,003.85 : 20,712,305.58 = 4,714,834.18 : x
  2. Step 2: Convert to fraction form
    13,812,003.85/20,712,305.58 = 4,714,834.18/x
  3. Step 3: Cross multiply
    13,812,003.85x = 20,712,305.58 × 4,714,834.18
  4. Step 4: Simplify right side
    13,812,003.85x = 97,655,086,295,188.70
  5. Step 5: Solve for x
    x = 97,655,086,295,188.70/13,812,003.85
  6. Step 6: Final answer
    x = 7,070,305.46

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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.