Home / 13,377,600.03-18,460,774.05-7,871,331.53

Finding the Fourth Proportional to 13,377,600.03, 18,460,774.05 and 7,871,331.53

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Solution

The fourth proportional to 13,377,600.03, 18,460,774.05 and 7,871,331.53 is: 10,862,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,600.03 : 18,460,774.05 = 7,871,331.53 : x
  2. Step 2: Convert to fraction form
    13,377,600.03/18,460,774.05 = 7,871,331.53/x
  3. Step 3: Cross multiply
    13,377,600.03x = 18,460,774.05 × 7,871,331.53
  4. Step 4: Simplify right side
    13,377,600.03x = 145,310,872,827,181.69
  5. Step 5: Solve for x
    x = 145,310,872,827,181.69/13,377,600.03
  6. Step 6: Final answer
    x = 10,862,252.76

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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.