Home / 28,259,617.92-42,363,832.02-19,627,794.06

Finding the Fourth Proportional to 28,259,617.92, 42,363,832.02 and 19,627,794.06

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Solution

The fourth proportional to 28,259,617.92, 42,363,832.02 and 19,627,794.06 is: 29,423,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259,617.92 : 42,363,832.02 = 19,627,794.06 : x
  2. Step 2: Convert to fraction form
    28,259,617.92/42,363,832.02 = 19,627,794.06/x
  3. Step 3: Cross multiply
    28,259,617.92x = 42,363,832.02 × 19,627,794.06
  4. Step 4: Simplify right side
    28,259,617.92x = 831,508,570,480,993.75
  5. Step 5: Solve for x
    x = 831,508,570,480,993.75/28,259,617.92
  6. Step 6: Final answer
    x = 29,423,914.11

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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.