Home / 21,354,479.20-32,028,608.40-6,206,831.20

Finding the Fourth Proportional to 21,354,479.20, 32,028,608.40 and 6,206,831.20

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Solution

The fourth proportional to 21,354,479.20, 32,028,608.40 and 6,206,831.20 is: 9,309,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354,479.20 : 32,028,608.40 = 6,206,831.20 : x
  2. Step 2: Convert to fraction form
    21,354,479.20/32,028,608.40 = 6,206,831.20/x
  3. Step 3: Cross multiply
    21,354,479.20x = 32,028,608.40 × 6,206,831.20
  4. Step 4: Simplify right side
    21,354,479.20x = 198,796,165,909,702.06
  5. Step 5: Solve for x
    x = 198,796,165,909,702.06/21,354,479.20
  6. Step 6: Final answer
    x = 9,309,342.74

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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.