Home / 27,703,077.87-38,230,255.72-15,144,187.09

Finding the Fourth Proportional to 27,703,077.87, 38,230,255.72 and 15,144,187.09

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Solution

The fourth proportional to 27,703,077.87, 38,230,255.72 and 15,144,187.09 is: 20,898,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703,077.87 : 38,230,255.72 = 15,144,187.09 : x
  2. Step 2: Convert to fraction form
    27,703,077.87/38,230,255.72 = 15,144,187.09/x
  3. Step 3: Cross multiply
    27,703,077.87x = 38,230,255.72 × 15,144,187.09
  4. Step 4: Simplify right side
    27,703,077.87x = 578,966,145,122,222.62
  5. Step 5: Solve for x
    x = 578,966,145,122,222.62/27,703,077.87
  6. Step 6: Final answer
    x = 20,898,982.70

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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.