Home / 12,661,763.16-17,470,932.48-7,080,110.40

Finding the Fourth Proportional to 12,661,763.16, 17,470,932.48 and 7,080,110.40

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Solution

The fourth proportional to 12,661,763.16, 17,470,932.48 and 7,080,110.40 is: 9,769,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,763.16 : 17,470,932.48 = 7,080,110.40 : x
  2. Step 2: Convert to fraction form
    12,661,763.16/17,470,932.48 = 7,080,110.40/x
  3. Step 3: Cross multiply
    12,661,763.16x = 17,470,932.48 × 7,080,110.40
  4. Step 4: Simplify right side
    12,661,763.16x = 123,696,130,749,345.80
  5. Step 5: Solve for x
    x = 123,696,130,749,345.80/12,661,763.16
  6. Step 6: Final answer
    x = 9,769,265.87

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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.