Home / 18,302,210.16-25,234,069.77-13,398,919.71

Finding the Fourth Proportional to 18,302,210.16, 25,234,069.77 and 13,398,919.71

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Solution

The fourth proportional to 18,302,210.16, 25,234,069.77 and 13,398,919.71 is: 18,473,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302,210.16 : 25,234,069.77 = 13,398,919.71 : x
  2. Step 2: Convert to fraction form
    18,302,210.16/25,234,069.77 = 13,398,919.71/x
  3. Step 3: Cross multiply
    18,302,210.16x = 25,234,069.77 × 13,398,919.71
  4. Step 4: Simplify right side
    18,302,210.16x = 338,109,274,804,768.19
  5. Step 5: Solve for x
    x = 338,109,274,804,768.19/18,302,210.16
  6. Step 6: Final answer
    x = 18,473,685.52

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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.