Home / 18,900,568.08-26,085,271.28-10,642,239.60

Finding the Fourth Proportional to 18,900,568.08, 26,085,271.28 and 10,642,239.60

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Solution

The fourth proportional to 18,900,568.08, 26,085,271.28 and 10,642,239.60 is: 14,687,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900,568.08 : 26,085,271.28 = 10,642,239.60 : x
  2. Step 2: Convert to fraction form
    18,900,568.08/26,085,271.28 = 10,642,239.60/x
  3. Step 3: Cross multiply
    18,900,568.08x = 26,085,271.28 × 10,642,239.60
  4. Step 4: Simplify right side
    18,900,568.08x = 277,605,706,992,758.69
  5. Step 5: Solve for x
    x = 277,605,706,992,758.69/18,900,568.08
  6. Step 6: Final answer
    x = 14,687,691.18

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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.