Home / 13,508,743.14-18,642,038.76-7,313,788.16

Finding the Fourth Proportional to 13,508,743.14, 18,642,038.76 and 7,313,788.16

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Solution

The fourth proportional to 13,508,743.14, 18,642,038.76 and 7,313,788.16 is: 10,093,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,743.14 : 18,642,038.76 = 7,313,788.16 : x
  2. Step 2: Convert to fraction form
    13,508,743.14/18,642,038.76 = 7,313,788.16/x
  3. Step 3: Cross multiply
    13,508,743.14x = 18,642,038.76 × 7,313,788.16
  4. Step 4: Simplify right side
    13,508,743.14x = 136,343,922,361,149.09
  5. Step 5: Solve for x
    x = 136,343,922,361,149.09/13,508,743.14
  6. Step 6: Final answer
    x = 10,093,013.17

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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.