Home / 22,931,843.10-34,397,764.65-21,178,087.80

Finding the Fourth Proportional to 22,931,843.10, 34,397,764.65 and 21,178,087.80

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Solution

The fourth proportional to 22,931,843.10, 34,397,764.65 and 21,178,087.80 is: 31,767,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931,843.10 : 34,397,764.65 = 21,178,087.80 : x
  2. Step 2: Convert to fraction form
    22,931,843.10/34,397,764.65 = 21,178,087.80/x
  3. Step 3: Cross multiply
    22,931,843.10x = 34,397,764.65 × 21,178,087.80
  4. Step 4: Simplify right side
    22,931,843.10x = 728,478,879,881,436.25
  5. Step 5: Solve for x
    x = 728,478,879,881,436.25/22,931,843.10
  6. Step 6: Final answer
    x = 31,767,131.70

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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.