Home / 18,923,690-26,114,702.72-10,221,862.72

Finding the Fourth Proportional to 18,923,690, 26,114,702.72 and 10,221,862.72

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Solution

The fourth proportional to 18,923,690, 26,114,702.72 and 10,221,862.72 is: 14,106,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,690 : 26,114,702.72 = 10,221,862.72 : x
  2. Step 2: Convert to fraction form
    18,923,690/26,114,702.72 = 10,221,862.72/x
  3. Step 3: Cross multiply
    18,923,690x = 26,114,702.72 × 10,221,862.72
  4. Step 4: Simplify right side
    18,923,690x = 266,940,906,177,450.59
  5. Step 5: Solve for x
    x = 266,940,906,177,450.59/18,923,690
  6. Step 6: Final answer
    x = 14,106,176.24

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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.