Home / 12,083,886.90-18,125,830.35-6,709,115.70

Finding the Fourth Proportional to 12,083,886.90, 18,125,830.35 and 6,709,115.70

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Solution

The fourth proportional to 12,083,886.90, 18,125,830.35 and 6,709,115.70 is: 10,063,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,886.90 : 18,125,830.35 = 6,709,115.70 : x
  2. Step 2: Convert to fraction form
    12,083,886.90/18,125,830.35 = 6,709,115.70/x
  3. Step 3: Cross multiply
    12,083,886.90x = 18,125,830.35 × 6,709,115.70
  4. Step 4: Simplify right side
    12,083,886.90x = 121,608,292,976,721.52
  5. Step 5: Solve for x
    x = 121,608,292,976,721.52/12,083,886.90
  6. Step 6: Final answer
    x = 10,063,673.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.