Home / 17,720,721.76-24,454,451.22-9,880,140.86

Finding the Fourth Proportional to 17,720,721.76, 24,454,451.22 and 9,880,140.86

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Solution

The fourth proportional to 17,720,721.76, 24,454,451.22 and 9,880,140.86 is: 13,634,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720,721.76 : 24,454,451.22 = 9,880,140.86 : x
  2. Step 2: Convert to fraction form
    17,720,721.76/24,454,451.22 = 9,880,140.86/x
  3. Step 3: Cross multiply
    17,720,721.76x = 24,454,451.22 × 9,880,140.86
  4. Step 4: Simplify right side
    17,720,721.76x = 241,613,422,707,598.81
  5. Step 5: Solve for x
    x = 241,613,422,707,598.81/17,720,721.76
  6. Step 6: Final answer
    x = 13,634,513.65

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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.