Home / 27,998,080.80-38,637,342.72-15,121,024.80

Finding the Fourth Proportional to 27,998,080.80, 38,637,342.72 and 15,121,024.80

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Solution

The fourth proportional to 27,998,080.80, 38,637,342.72 and 15,121,024.80 is: 20,867,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998,080.80 : 38,637,342.72 = 15,121,024.80 : x
  2. Step 2: Convert to fraction form
    27,998,080.80/38,637,342.72 = 15,121,024.80/x
  3. Step 3: Cross multiply
    27,998,080.80x = 38,637,342.72 × 15,121,024.80
  4. Step 4: Simplify right side
    27,998,080.80x = 584,236,217,475,219.50
  5. Step 5: Solve for x
    x = 584,236,217,475,219.50/27,998,080.80
  6. Step 6: Final answer
    x = 20,867,009.48

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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.