Home / 27,637,121.15-38,139,014.19-15,247,736.76

Finding the Fourth Proportional to 27,637,121.15, 38,139,014.19 and 15,247,736.76

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Solution

The fourth proportional to 27,637,121.15, 38,139,014.19 and 15,247,736.76 is: 21,041,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637,121.15 : 38,139,014.19 = 15,247,736.76 : x
  2. Step 2: Convert to fraction form
    27,637,121.15/38,139,014.19 = 15,247,736.76/x
  3. Step 3: Cross multiply
    27,637,121.15x = 38,139,014.19 × 15,247,736.76
  4. Step 4: Simplify right side
    27,637,121.15x = 581,533,648,855,225
  5. Step 5: Solve for x
    x = 581,533,648,855,225/27,637,121.15
  6. Step 6: Final answer
    x = 21,041,759.22

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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.