Home / 7,242,002.20-10,863,003.30-7,130,027.80

Finding the Fourth Proportional to 7,242,002.20, 10,863,003.30 and 7,130,027.80

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Solution

The fourth proportional to 7,242,002.20, 10,863,003.30 and 7,130,027.80 is: 10,695,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,002.20 : 10,863,003.30 = 7,130,027.80 : x
  2. Step 2: Convert to fraction form
    7,242,002.20/10,863,003.30 = 7,130,027.80/x
  3. Step 3: Cross multiply
    7,242,002.20x = 10,863,003.30 × 7,130,027.80
  4. Step 4: Simplify right side
    7,242,002.20x = 77,453,515,520,491.75
  5. Step 5: Solve for x
    x = 77,453,515,520,491.75/7,242,002.20
  6. Step 6: Final answer
    x = 10,695,041.70

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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.