Home / 11,386,424.80-15,696,923.16-8,117,564.43

Finding the Fourth Proportional to 11,386,424.80, 15,696,923.16 and 8,117,564.43

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Solution

The fourth proportional to 11,386,424.80, 15,696,923.16 and 8,117,564.43 is: 11,190,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386,424.80 : 15,696,923.16 = 8,117,564.43 : x
  2. Step 2: Convert to fraction form
    11,386,424.80/15,696,923.16 = 8,117,564.43/x
  3. Step 3: Cross multiply
    11,386,424.80x = 15,696,923.16 × 8,117,564.43
  4. Step 4: Simplify right side
    11,386,424.80x = 127,420,785,104,059.20
  5. Step 5: Solve for x
    x = 127,420,785,104,059.20/11,386,424.80
  6. Step 6: Final answer
    x = 11,190,587.68

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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.