Home / 12,397,787.64-17,108,510.58-6,815,993.51

Finding the Fourth Proportional to 12,397,787.64, 17,108,510.58 and 6,815,993.51

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Solution

The fourth proportional to 12,397,787.64, 17,108,510.58 and 6,815,993.51 is: 9,405,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397,787.64 : 17,108,510.58 = 6,815,993.51 : x
  2. Step 2: Convert to fraction form
    12,397,787.64/17,108,510.58 = 6,815,993.51/x
  3. Step 3: Cross multiply
    12,397,787.64x = 17,108,510.58 × 6,815,993.51
  4. Step 4: Simplify right side
    12,397,787.64x = 116,611,497,121,817.61
  5. Step 5: Solve for x
    x = 116,611,497,121,817.61/12,397,787.64
  6. Step 6: Final answer
    x = 9,405,831.15

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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.