Home / 13,267,381.44-19,901,005.36-5,181,178.20

Finding the Fourth Proportional to 13,267,381.44, 19,901,005.36 and 5,181,178.20

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Solution

The fourth proportional to 13,267,381.44, 19,901,005.36 and 5,181,178.20 is: 7,771,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,381.44 : 19,901,005.36 = 5,181,178.20 : x
  2. Step 2: Convert to fraction form
    13,267,381.44/19,901,005.36 = 5,181,178.20/x
  3. Step 3: Cross multiply
    13,267,381.44x = 19,901,005.36 × 5,181,178.20
  4. Step 4: Simplify right side
    13,267,381.44x = 103,110,655,129,315.16
  5. Step 5: Solve for x
    x = 103,110,655,129,315.16/13,267,381.44
  6. Step 6: Final answer
    x = 7,771,741.21

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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.