Home / 7,480,722.78-11,221,084.20-5,777,350.60

Finding the Fourth Proportional to 7,480,722.78, 11,221,084.20 and 5,777,350.60

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Solution

The fourth proportional to 7,480,722.78, 11,221,084.20 and 5,777,350.60 is: 8,666,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,722.78 : 11,221,084.20 = 5,777,350.60 : x
  2. Step 2: Convert to fraction form
    7,480,722.78/11,221,084.20 = 5,777,350.60/x
  3. Step 3: Cross multiply
    7,480,722.78x = 11,221,084.20 × 5,777,350.60
  4. Step 4: Simplify right side
    7,480,722.78x = 64,828,137,535,520.51
  5. Step 5: Solve for x
    x = 64,828,137,535,520.51/7,480,722.78
  6. Step 6: Final answer
    x = 8,666,025.92

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1.5x scale

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.