Home / 27,998,089.80-38,637,355.14-15,121,033.80

Finding the Fourth Proportional to 27,998,089.80, 38,637,355.14 and 15,121,033.80

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Solution

The fourth proportional to 27,998,089.80, 38,637,355.14 and 15,121,033.80 is: 20,867,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998,089.80 : 38,637,355.14 = 15,121,033.80 : x
  2. Step 2: Convert to fraction form
    27,998,089.80/38,637,355.14 = 15,121,033.80/x
  3. Step 3: Cross multiply
    27,998,089.80x = 38,637,355.14 × 15,121,033.80
  4. Step 4: Simplify right side
    27,998,089.80x = 584,236,753,014,543.75
  5. Step 5: Solve for x
    x = 584,236,753,014,543.75/27,998,089.80
  6. Step 6: Final answer
    x = 20,867,021.90

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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.