Home / 21,705,175.80-32,557,763.70-16,681,841.40

Finding the Fourth Proportional to 21,705,175.80, 32,557,763.70 and 16,681,841.40

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Solution

The fourth proportional to 21,705,175.80, 32,557,763.70 and 16,681,841.40 is: 25,022,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,175.80 : 32,557,763.70 = 16,681,841.40 : x
  2. Step 2: Convert to fraction form
    21,705,175.80/32,557,763.70 = 16,681,841.40/x
  3. Step 3: Cross multiply
    21,705,175.80x = 32,557,763.70 × 16,681,841.40
  4. Step 4: Simplify right side
    21,705,175.80x = 543,123,450,382,077.19
  5. Step 5: Solve for x
    x = 543,123,450,382,077.19/21,705,175.80
  6. Step 6: Final answer
    x = 25,022,762.10

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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.