Home / 18,990,706.30-26,181,145.81-12,017,915.26

Finding the Fourth Proportional to 18,990,706.30, 26,181,145.81 and 12,017,915.26

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Solution

The fourth proportional to 18,990,706.30, 26,181,145.81 and 12,017,915.26 is: 16,568,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990,706.30 : 26,181,145.81 = 12,017,915.26 : x
  2. Step 2: Convert to fraction form
    18,990,706.30/26,181,145.81 = 12,017,915.26/x
  3. Step 3: Cross multiply
    18,990,706.30x = 26,181,145.81 × 12,017,915.26
  4. Step 4: Simplify right side
    18,990,706.30x = 314,642,791,754,284.06
  5. Step 5: Solve for x
    x = 314,642,791,754,284.06/18,990,706.30
  6. Step 6: Final answer
    x = 16,568,251.16

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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.