Home / 12,792,911.64-17,654,219.60-6,991,691.64

Finding the Fourth Proportional to 12,792,911.64, 17,654,219.60 and 6,991,691.64

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Solution

The fourth proportional to 12,792,911.64, 17,654,219.60 and 6,991,691.64 is: 9,648,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,911.64 : 17,654,219.60 = 6,991,691.64 : x
  2. Step 2: Convert to fraction form
    12,792,911.64/17,654,219.60 = 6,991,691.64/x
  3. Step 3: Cross multiply
    12,792,911.64x = 17,654,219.60 × 6,991,691.64
  4. Step 4: Simplify right side
    12,792,911.64x = 123,432,859,588,044.16
  5. Step 5: Solve for x
    x = 123,432,859,588,044.16/12,792,911.64
  6. Step 6: Final answer
    x = 9,648,535.30

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1.5x scale

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.