Home / 22,128,079.68-30,535,995.60-12,205,355.58

Finding the Fourth Proportional to 22,128,079.68, 30,535,995.60 and 12,205,355.58

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Solution

The fourth proportional to 22,128,079.68, 30,535,995.60 and 12,205,355.58 is: 16,842,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,079.68 : 30,535,995.60 = 12,205,355.58 : x
  2. Step 2: Convert to fraction form
    22,128,079.68/30,535,995.60 = 12,205,355.58/x
  3. Step 3: Cross multiply
    22,128,079.68x = 30,535,995.60 × 12,205,355.58
  4. Step 4: Simplify right side
    22,128,079.68x = 372,702,684,287,315.44
  5. Step 5: Solve for x
    x = 372,702,684,287,315.44/22,128,079.68
  6. Step 6: Final answer
    x = 16,842,974.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.