Home / 19,912,193.79-29,871,439.98-7,132,415.55

Finding the Fourth Proportional to 19,912,193.79, 29,871,439.98 and 7,132,415.55

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Solution

The fourth proportional to 19,912,193.79, 29,871,439.98 and 7,132,415.55 is: 10,699,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912,193.79 : 29,871,439.98 = 7,132,415.55 : x
  2. Step 2: Convert to fraction form
    19,912,193.79/29,871,439.98 = 7,132,415.55/x
  3. Step 3: Cross multiply
    19,912,193.79x = 29,871,439.98 × 7,132,415.55
  4. Step 4: Simplify right side
    19,912,193.79x = 213,055,523,014,243.69
  5. Step 5: Solve for x
    x = 213,055,523,014,243.69/19,912,193.79
  6. Step 6: Final answer
    x = 10,699,751.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.