Home / 12,401,663.30-17,115,254.02-7,440,290.54

Finding the Fourth Proportional to 12,401,663.30, 17,115,254.02 and 7,440,290.54

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Solution

The fourth proportional to 12,401,663.30, 17,115,254.02 and 7,440,290.54 is: 10,268,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,663.30 : 17,115,254.02 = 7,440,290.54 : x
  2. Step 2: Convert to fraction form
    12,401,663.30/17,115,254.02 = 7,440,290.54/x
  3. Step 3: Cross multiply
    12,401,663.30x = 17,115,254.02 × 7,440,290.54
  4. Step 4: Simplify right side
    12,401,663.30x = 127,342,462,451,925.25
  5. Step 5: Solve for x
    x = 127,342,462,451,925.25/12,401,663.30
  6. Step 6: Final answer
    x = 10,268,176.08

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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.