Home / 18,802,783.20-28,205,096.40-9,844,831.20

Finding the Fourth Proportional to 18,802,783.20, 28,205,096.40 and 9,844,831.20

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Solution

The fourth proportional to 18,802,783.20, 28,205,096.40 and 9,844,831.20 is: 14,767,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802,783.20 : 28,205,096.40 = 9,844,831.20 : x
  2. Step 2: Convert to fraction form
    18,802,783.20/28,205,096.40 = 9,844,831.20/x
  3. Step 3: Cross multiply
    18,802,783.20x = 28,205,096.40 × 9,844,831.20
  4. Step 4: Simplify right side
    18,802,783.20x = 277,674,413,037,727.66
  5. Step 5: Solve for x
    x = 277,674,413,037,727.66/18,802,783.20
  6. Step 6: Final answer
    x = 14,767,729.33

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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.