Home / 27,871,519.50-38,462,697-15,648,638.94

Finding the Fourth Proportional to 27,871,519.50, 38,462,697 and 15,648,638.94

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Solution

The fourth proportional to 27,871,519.50, 38,462,697 and 15,648,638.94 is: 21,595,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871,519.50 : 38,462,697 = 15,648,638.94 : x
  2. Step 2: Convert to fraction form
    27,871,519.50/38,462,697 = 15,648,638.94/x
  3. Step 3: Cross multiply
    27,871,519.50x = 38,462,697 × 15,648,638.94
  4. Step 4: Simplify right side
    27,871,519.50x = 601,888,858,011,621.12
  5. Step 5: Solve for x
    x = 601,888,858,011,621.12/27,871,519.50
  6. Step 6: Final answer
    x = 21,595,121.79

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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.