Home / 12,050,003.80-18,069,303.30-7,002,861.40

Finding the Fourth Proportional to 12,050,003.80, 18,069,303.30 and 7,002,861.40

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Solution

The fourth proportional to 12,050,003.80, 18,069,303.30 and 7,002,861.40 is: 10,500,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050,003.80 : 18,069,303.30 = 7,002,861.40 : x
  2. Step 2: Convert to fraction form
    12,050,003.80/18,069,303.30 = 7,002,861.40/x
  3. Step 3: Cross multiply
    12,050,003.80x = 18,069,303.30 × 7,002,861.40
  4. Step 4: Simplify right side
    12,050,003.80x = 126,536,826,604,462.62
  5. Step 5: Solve for x
    x = 126,536,826,604,462.62/12,050,003.80
  6. Step 6: Final answer
    x = 10,500,978.15

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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.