Home / 27,871,572.94-38,462,770.65-15,648,692.38

Finding the Fourth Proportional to 27,871,572.94, 38,462,770.65 and 15,648,692.38

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Solution

The fourth proportional to 27,871,572.94, 38,462,770.65 and 15,648,692.38 is: 21,595,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871,572.94 : 38,462,770.65 = 15,648,692.38 : x
  2. Step 2: Convert to fraction form
    27,871,572.94/38,462,770.65 = 15,648,692.38/x
  3. Step 3: Cross multiply
    27,871,572.94x = 38,462,770.65 × 15,648,692.38
  4. Step 4: Simplify right side
    27,871,572.94x = 601,892,065,946,868.38
  5. Step 5: Solve for x
    x = 601,892,065,946,868.38/27,871,572.94
  6. Step 6: Final answer
    x = 21,595,195.48

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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.