Home / 28,629,928.47-42,963,788.40-15,176,204.31

Finding the Fourth Proportional to 28,629,928.47, 42,963,788.40 and 15,176,204.31

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Solution

The fourth proportional to 28,629,928.47, 42,963,788.40 and 15,176,204.31 is: 22,774,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629,928.47 : 42,963,788.40 = 15,176,204.31 : x
  2. Step 2: Convert to fraction form
    28,629,928.47/42,963,788.40 = 15,176,204.31/x
  3. Step 3: Cross multiply
    28,629,928.47x = 42,963,788.40 × 15,176,204.31
  4. Step 4: Simplify right side
    28,629,928.47x = 652,027,230,690,008
  5. Step 5: Solve for x
    x = 652,027,230,690,008/28,629,928.47
  6. Step 6: Final answer
    x = 22,774,322.73

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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.