Home / 28,686,949.40-43,043,101.19-15,036,831.97

Finding the Fourth Proportional to 28,686,949.40, 43,043,101.19 and 15,036,831.97

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Solution

The fourth proportional to 28,686,949.40, 43,043,101.19 and 15,036,831.97 is: 22,561,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686,949.40 : 43,043,101.19 = 15,036,831.97 : x
  2. Step 2: Convert to fraction form
    28,686,949.40/43,043,101.19 = 15,036,831.97/x
  3. Step 3: Cross multiply
    28,686,949.40x = 43,043,101.19 × 15,036,831.97
  4. Step 4: Simplify right side
    28,686,949.40x = 647,231,879,935,333.25
  5. Step 5: Solve for x
    x = 647,231,879,935,333.25/28,686,949.40
  6. Step 6: Final answer
    x = 22,561,892.90

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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.