Home / 8,547,187.30-12,820,731.99-2,157,413.38

Finding the Fourth Proportional to 8,547,187.30, 12,820,731.99 and 2,157,413.38

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Solution

The fourth proportional to 8,547,187.30, 12,820,731.99 and 2,157,413.38 is: 3,236,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,187.30 : 12,820,731.99 = 2,157,413.38 : x
  2. Step 2: Convert to fraction form
    8,547,187.30/12,820,731.99 = 2,157,413.38/x
  3. Step 3: Cross multiply
    8,547,187.30x = 12,820,731.99 × 2,157,413.38
  4. Step 4: Simplify right side
    8,547,187.30x = 27,659,618,736,620.02
  5. Step 5: Solve for x
    x = 27,659,618,736,620.02/8,547,187.30
  6. Step 6: Final answer
    x = 3,236,107.71

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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.