Home / 13,377,610.34-18,460,788.27-7,871,341.85

Finding the Fourth Proportional to 13,377,610.34, 18,460,788.27 and 7,871,341.85

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Solution

The fourth proportional to 13,377,610.34, 18,460,788.27 and 7,871,341.85 is: 10,862,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,610.34 : 18,460,788.27 = 7,871,341.85 : x
  2. Step 2: Convert to fraction form
    13,377,610.34/18,460,788.27 = 7,871,341.85/x
  3. Step 3: Cross multiply
    13,377,610.34x = 18,460,788.27 × 7,871,341.85
  4. Step 4: Simplify right side
    13,377,610.34x = 145,311,175,201,336.16
  5. Step 5: Solve for x
    x = 145,311,175,201,336.16/13,377,610.34
  6. Step 6: Final answer
    x = 10,862,266.99

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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.