Home / 13,696,515.27-18,900,829.29-7,816,044.06

Finding the Fourth Proportional to 13,696,515.27, 18,900,829.29 and 7,816,044.06

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Solution

The fourth proportional to 13,696,515.27, 18,900,829.29 and 7,816,044.06 is: 10,785,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,515.27 : 18,900,829.29 = 7,816,044.06 : x
  2. Step 2: Convert to fraction form
    13,696,515.27/18,900,829.29 = 7,816,044.06/x
  3. Step 3: Cross multiply
    13,696,515.27x = 18,900,829.29 × 7,816,044.06
  4. Step 4: Simplify right side
    13,696,515.27x = 147,729,714,501,178.50
  5. Step 5: Solve for x
    x = 147,729,714,501,178.50/13,696,515.27
  6. Step 6: Final answer
    x = 10,785,934.35

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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.