Home / 7,242,686.70-10,864,030.05-2,193,997.20

Finding the Fourth Proportional to 7,242,686.70, 10,864,030.05 and 2,193,997.20

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Solution

The fourth proportional to 7,242,686.70, 10,864,030.05 and 2,193,997.20 is: 3,290,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,686.70 : 10,864,030.05 = 2,193,997.20 : x
  2. Step 2: Convert to fraction form
    7,242,686.70/10,864,030.05 = 2,193,997.20/x
  3. Step 3: Cross multiply
    7,242,686.70x = 10,864,030.05 × 2,193,997.20
  4. Step 4: Simplify right side
    7,242,686.70x = 23,835,651,510,415.86
  5. Step 5: Solve for x
    x = 23,835,651,510,415.86/7,242,686.70
  6. Step 6: Final answer
    x = 3,290,995.80

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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.