Home / 7,886,665.20-11,829,997.80-5,194,030.80

Finding the Fourth Proportional to 7,886,665.20, 11,829,997.80 and 5,194,030.80

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Solution

The fourth proportional to 7,886,665.20, 11,829,997.80 and 5,194,030.80 is: 7,791,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,665.20 : 11,829,997.80 = 5,194,030.80 : x
  2. Step 2: Convert to fraction form
    7,886,665.20/11,829,997.80 = 5,194,030.80/x
  3. Step 3: Cross multiply
    7,886,665.20x = 11,829,997.80 × 5,194,030.80
  4. Step 4: Simplify right side
    7,886,665.20x = 61,445,372,937,132.24
  5. Step 5: Solve for x
    x = 61,445,372,937,132.24/7,886,665.20
  6. Step 6: Final answer
    x = 7,791,046.20

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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.