Home / 13,269,191.77-18,304,461.16-9,132,040.23

Finding the Fourth Proportional to 13,269,191.77, 18,304,461.16 and 9,132,040.23

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Solution

The fourth proportional to 13,269,191.77, 18,304,461.16 and 9,132,040.23 is: 12,597,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,191.77 : 18,304,461.16 = 9,132,040.23 : x
  2. Step 2: Convert to fraction form
    13,269,191.77/18,304,461.16 = 9,132,040.23/x
  3. Step 3: Cross multiply
    13,269,191.77x = 18,304,461.16 × 9,132,040.23
  4. Step 4: Simplify right side
    13,269,191.77x = 167,157,075,701,592.47
  5. Step 5: Solve for x
    x = 167,157,075,701,592.47/13,269,191.77
  6. Step 6: Final answer
    x = 12,597,381.86

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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.