Home / 20,724,155.60-31,088,566.20-6,347,109.20

Finding the Fourth Proportional to 20,724,155.60, 31,088,566.20 and 6,347,109.20

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Solution

The fourth proportional to 20,724,155.60, 31,088,566.20 and 6,347,109.20 is: 9,521,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,155.60 : 31,088,566.20 = 6,347,109.20 : x
  2. Step 2: Convert to fraction form
    20,724,155.60/31,088,566.20 = 6,347,109.20/x
  3. Step 3: Cross multiply
    20,724,155.60x = 31,088,566.20 × 6,347,109.20
  4. Step 4: Simplify right side
    20,724,155.60x = 197,322,524,542,829.03
  5. Step 5: Solve for x
    x = 197,322,524,542,829.03/20,724,155.60
  6. Step 6: Final answer
    x = 9,521,378.26

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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.