Home / 12,884,256.66-17,780,613.45-7,083,184.50

Finding the Fourth Proportional to 12,884,256.66, 17,780,613.45 and 7,083,184.50

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Solution

The fourth proportional to 12,884,256.66, 17,780,613.45 and 7,083,184.50 is: 9,774,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,256.66 : 17,780,613.45 = 7,083,184.50 : x
  2. Step 2: Convert to fraction form
    12,884,256.66/17,780,613.45 = 7,083,184.50/x
  3. Step 3: Cross multiply
    12,884,256.66x = 17,780,613.45 × 7,083,184.50
  4. Step 4: Simplify right side
    12,884,256.66x = 125,943,365,589,531.52
  5. Step 5: Solve for x
    x = 125,943,365,589,531.52/12,884,256.66
  6. Step 6: Final answer
    x = 9,774,981.12

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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.