Home / 28,043,055.48-38,705,873.55-16,444,355.65

Finding the Fourth Proportional to 28,043,055.48, 38,705,873.55 and 16,444,355.65

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Solution

The fourth proportional to 28,043,055.48, 38,705,873.55 and 16,444,355.65 is: 22,696,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,055.48 : 38,705,873.55 = 16,444,355.65 : x
  2. Step 2: Convert to fraction form
    28,043,055.48/38,705,873.55 = 16,444,355.65/x
  3. Step 3: Cross multiply
    28,043,055.48x = 38,705,873.55 × 16,444,355.65
  4. Step 4: Simplify right side
    28,043,055.48x = 636,493,150,400,128
  5. Step 5: Solve for x
    x = 636,493,150,400,128/28,043,055.48
  6. Step 6: Final answer
    x = 22,696,997.15

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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.