Home / 12,300,159.12-18,450,307.64-4,102,778.83

Finding the Fourth Proportional to 12,300,159.12, 18,450,307.64 and 4,102,778.83

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Solution

The fourth proportional to 12,300,159.12, 18,450,307.64 and 4,102,778.83 is: 6,154,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,159.12 : 18,450,307.64 = 4,102,778.83 : x
  2. Step 2: Convert to fraction form
    12,300,159.12/18,450,307.64 = 4,102,778.83/x
  3. Step 3: Cross multiply
    12,300,159.12x = 18,450,307.64 × 4,102,778.83
  4. Step 4: Simplify right side
    12,300,159.12x = 75,697,531,690,562.14
  5. Step 5: Solve for x
    x = 75,697,531,690,562.14/12,300,159.12
  6. Step 6: Final answer
    x = 6,154,191.26

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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.