Home / 12,923,786.18-17,837,864.09-8,032,702.14

Finding the Fourth Proportional to 12,923,786.18, 17,837,864.09 and 8,032,702.14

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Solution

The fourth proportional to 12,923,786.18, 17,837,864.09 and 8,032,702.14 is: 11,087,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,786.18 : 17,837,864.09 = 8,032,702.14 : x
  2. Step 2: Convert to fraction form
    12,923,786.18/17,837,864.09 = 8,032,702.14/x
  3. Step 3: Cross multiply
    12,923,786.18x = 17,837,864.09 × 8,032,702.14
  4. Step 4: Simplify right side
    12,923,786.18x = 143,286,249,048,772.16
  5. Step 5: Solve for x
    x = 143,286,249,048,772.16/12,923,786.18
  6. Step 6: Final answer
    x = 11,087,017.93

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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.