Home / 28,155,016.06-42,248,500.14-15,200,994.10

Finding the Fourth Proportional to 28,155,016.06, 42,248,500.14 and 15,200,994.10

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Solution

The fourth proportional to 28,155,016.06, 42,248,500.14 and 15,200,994.10 is: 22,810,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155,016.06 : 42,248,500.14 = 15,200,994.10 : x
  2. Step 2: Convert to fraction form
    28,155,016.06/42,248,500.14 = 15,200,994.10/x
  3. Step 3: Cross multiply
    28,155,016.06x = 42,248,500.14 × 15,200,994.10
  4. Step 4: Simplify right side
    28,155,016.06x = 642,219,201,361,989.12
  5. Step 5: Solve for x
    x = 642,219,201,361,989.12/28,155,016.06
  6. Step 6: Final answer
    x = 22,810,116.68

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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.