Home / 22,621,895.69-31,217,296.77-12,832,129.71

Finding the Fourth Proportional to 22,621,895.69, 31,217,296.77 and 12,832,129.71

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Solution

The fourth proportional to 22,621,895.69, 31,217,296.77 and 12,832,129.71 is: 17,707,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621,895.69 : 31,217,296.77 = 12,832,129.71 : x
  2. Step 2: Convert to fraction form
    22,621,895.69/31,217,296.77 = 12,832,129.71/x
  3. Step 3: Cross multiply
    22,621,895.69x = 31,217,296.77 × 12,832,129.71
  4. Step 4: Simplify right side
    22,621,895.69x = 400,584,401,348,204.06
  5. Step 5: Solve for x
    x = 400,584,401,348,204.06/22,621,895.69
  6. Step 6: Final answer
    x = 17,707,817.55

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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.