Home / 20,797,210.04-28,690,480.22-13,457,413.17

Finding the Fourth Proportional to 20,797,210.04, 28,690,480.22 and 13,457,413.17

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Solution

The fourth proportional to 20,797,210.04, 28,690,480.22 and 13,457,413.17 is: 18,564,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797,210.04 : 28,690,480.22 = 13,457,413.17 : x
  2. Step 2: Convert to fraction form
    20,797,210.04/28,690,480.22 = 13,457,413.17/x
  3. Step 3: Cross multiply
    20,797,210.04x = 28,690,480.22 × 13,457,413.17
  4. Step 4: Simplify right side
    20,797,210.04x = 386,099,646,298,965.44
  5. Step 5: Solve for x
    x = 386,099,646,298,965.44/20,797,210.04
  6. Step 6: Final answer
    x = 18,564,973.17

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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.