Home / 7,490,669.20-11,208,010.20-4,971,245.20

Finding the Fourth Proportional to 7,490,669.20, 11,208,010.20 and 4,971,245.20

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Solution

The fourth proportional to 7,490,669.20, 11,208,010.20 and 4,971,245.20 is: 7,438,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,669.20 : 11,208,010.20 = 4,971,245.20 : x
  2. Step 2: Convert to fraction form
    7,490,669.20/11,208,010.20 = 4,971,245.20/x
  3. Step 3: Cross multiply
    7,490,669.20x = 11,208,010.20 × 4,971,245.20
  4. Step 4: Simplify right side
    7,490,669.20x = 55,717,766,908,301.04
  5. Step 5: Solve for x
    x = 55,717,766,908,301.04/7,490,669.20
  6. Step 6: Final answer
    x = 7,438,289.61

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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.