Home / 12,319,902.16-17,001,578.08-6,812,992.40

Finding the Fourth Proportional to 12,319,902.16, 17,001,578.08 and 6,812,992.40

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Solution

The fourth proportional to 12,319,902.16, 17,001,578.08 and 6,812,992.40 is: 9,401,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319,902.16 : 17,001,578.08 = 6,812,992.40 : x
  2. Step 2: Convert to fraction form
    12,319,902.16/17,001,578.08 = 6,812,992.40/x
  3. Step 3: Cross multiply
    12,319,902.16x = 17,001,578.08 × 6,812,992.40
  4. Step 4: Simplify right side
    12,319,902.16x = 115,831,622,247,046.59
  5. Step 5: Solve for x
    x = 115,831,622,247,046.59/12,319,902.16
  6. Step 6: Final answer
    x = 9,401,992.06

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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.