Home / 27,871,520.50-38,462,698.38-15,648,639.94

Finding the Fourth Proportional to 27,871,520.50, 38,462,698.38 and 15,648,639.94

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Solution

The fourth proportional to 27,871,520.50, 38,462,698.38 and 15,648,639.94 is: 21,595,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871,520.50 : 38,462,698.38 = 15,648,639.94 : x
  2. Step 2: Convert to fraction form
    27,871,520.50/38,462,698.38 = 15,648,639.94/x
  3. Step 3: Cross multiply
    27,871,520.50x = 38,462,698.38 × 15,648,639.94
  4. Step 4: Simplify right side
    27,871,520.50x = 601,888,918,069,441.38
  5. Step 5: Solve for x
    x = 601,888,918,069,441.38/27,871,520.50
  6. Step 6: Final answer
    x = 21,595,123.17

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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.