Home / 7,490,662.20-11,207,999.70-4,971,238.20

Finding the Fourth Proportional to 7,490,662.20, 11,207,999.70 and 4,971,238.20

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Solution

The fourth proportional to 7,490,662.20, 11,207,999.70 and 4,971,238.20 is: 7,438,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,662.20 : 11,207,999.70 = 4,971,238.20 : x
  2. Step 2: Convert to fraction form
    7,490,662.20/11,207,999.70 = 4,971,238.20/x
  3. Step 3: Cross multiply
    7,490,662.20x = 11,207,999.70 × 4,971,238.20
  4. Step 4: Simplify right side
    7,490,662.20x = 55,717,636,254,228.54
  5. Step 5: Solve for x
    x = 55,717,636,254,228.54/7,490,662.20
  6. Step 6: Final answer
    x = 7,438,279.12

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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.