Home / 12,401,663.80-17,115,254.70-7,440,291.03

Finding the Fourth Proportional to 12,401,663.80, 17,115,254.70 and 7,440,291.03

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Solution

The fourth proportional to 12,401,663.80, 17,115,254.70 and 7,440,291.03 is: 10,268,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,663.80 : 17,115,254.70 = 7,440,291.03 : x
  2. Step 2: Convert to fraction form
    12,401,663.80/17,115,254.70 = 7,440,291.03/x
  3. Step 3: Cross multiply
    12,401,663.80x = 17,115,254.70 × 7,440,291.03
  4. Step 4: Simplify right side
    12,401,663.80x = 127,342,476,020,575.34
  5. Step 5: Solve for x
    x = 127,342,476,020,575.34/12,401,663.80
  6. Step 6: Final answer
    x = 10,268,176.76

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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.