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Finding the Fourth Proportional to 17,462,118.40, 26,204,987.40 and 9,785,748.40

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Solution

The fourth proportional to 17,462,118.40, 26,204,987.40 and 9,785,748.40 is: 14,685,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,462,118.40 : 26,204,987.40 = 9,785,748.40 : x
  2. Step 2: Convert to fraction form
    17,462,118.40/26,204,987.40 = 9,785,748.40/x
  3. Step 3: Cross multiply
    17,462,118.40x = 26,204,987.40 × 9,785,748.40
  4. Step 4: Simplify right side
    17,462,118.40x = 256,435,413,521,570.16
  5. Step 5: Solve for x
    x = 256,435,413,521,570.16/17,462,118.40
  6. Step 6: Final answer
    x = 14,685,240.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.