Home / 12,841,166.25-17,720,805.15-7,039,823.52

Finding the Fourth Proportional to 12,841,166.25, 17,720,805.15 and 7,039,823.52

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Solution

The fourth proportional to 12,841,166.25, 17,720,805.15 and 7,039,823.52 is: 9,714,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,166.25 : 17,720,805.15 = 7,039,823.52 : x
  2. Step 2: Convert to fraction form
    12,841,166.25/17,720,805.15 = 7,039,823.52/x
  3. Step 3: Cross multiply
    12,841,166.25x = 17,720,805.15 × 7,039,823.52
  4. Step 4: Simplify right side
    12,841,166.25x = 124,751,340,888,307.11
  5. Step 5: Solve for x
    x = 124,751,340,888,307.11/12,841,166.25
  6. Step 6: Final answer
    x = 9,714,954.11

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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.