Home / 13,384,812.13-18,470,854.74-7,424,037.02

Finding the Fourth Proportional to 13,384,812.13, 18,470,854.74 and 7,424,037.02

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Solution

The fourth proportional to 13,384,812.13, 18,470,854.74 and 7,424,037.02 is: 10,245,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,812.13 : 18,470,854.74 = 7,424,037.02 : x
  2. Step 2: Convert to fraction form
    13,384,812.13/18,470,854.74 = 7,424,037.02/x
  3. Step 3: Cross multiply
    13,384,812.13x = 18,470,854.74 × 7,424,037.02
  4. Step 4: Simplify right side
    13,384,812.13x = 137,128,309,277,971.89
  5. Step 5: Solve for x
    x = 137,128,309,277,971.89/13,384,812.13
  6. Step 6: Final answer
    x = 10,245,067.91

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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.