Home / 20,779,305.60-31,168,957.32-5,632,843.44

Finding the Fourth Proportional to 20,779,305.60, 31,168,957.32 and 5,632,843.44

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Solution

The fourth proportional to 20,779,305.60, 31,168,957.32 and 5,632,843.44 is: 8,449,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,305.60 : 31,168,957.32 = 5,632,843.44 : x
  2. Step 2: Convert to fraction form
    20,779,305.60/31,168,957.32 = 5,632,843.44/x
  3. Step 3: Cross multiply
    20,779,305.60x = 31,168,957.32 × 5,632,843.44
  4. Step 4: Simplify right side
    20,779,305.60x = 175,569,856,771,602
  5. Step 5: Solve for x
    x = 175,569,856,771,602/20,779,305.60
  6. Step 6: Final answer
    x = 8,449,264.87

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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.