Home / 21,998,101.04-30,343,570.80-13,050,876.68

Finding the Fourth Proportional to 21,998,101.04, 30,343,570.80 and 13,050,876.68

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Solution

The fourth proportional to 21,998,101.04, 30,343,570.80 and 13,050,876.68 is: 18,002,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998,101.04 : 30,343,570.80 = 13,050,876.68 : x
  2. Step 2: Convert to fraction form
    21,998,101.04/30,343,570.80 = 13,050,876.68/x
  3. Step 3: Cross multiply
    21,998,101.04x = 30,343,570.80 × 13,050,876.68
  4. Step 4: Simplify right side
    21,998,101.04x = 396,010,200,541,648.94
  5. Step 5: Solve for x
    x = 396,010,200,541,648.94/21,998,101.04
  6. Step 6: Final answer
    x = 18,002,017.53

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1.5x scale

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.