Home / 12,402,863.44-17,112,104.76-7,242,502.48

Finding the Fourth Proportional to 12,402,863.44, 17,112,104.76 and 7,242,502.48

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Solution

The fourth proportional to 12,402,863.44, 17,112,104.76 and 7,242,502.48 is: 9,992,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,863.44 : 17,112,104.76 = 7,242,502.48 : x
  2. Step 2: Convert to fraction form
    12,402,863.44/17,112,104.76 = 7,242,502.48/x
  3. Step 3: Cross multiply
    12,402,863.44x = 17,112,104.76 × 7,242,502.48
  4. Step 4: Simplify right side
    12,402,863.44x = 123,934,461,162,319.83
  5. Step 5: Solve for x
    x = 123,934,461,162,319.83/12,402,863.44
  6. Step 6: Final answer
    x = 9,992,407.14

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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.