Home / 15,801,940.69-21,808,450.53-8,926,865.62

Finding the Fourth Proportional to 15,801,940.69, 21,808,450.53 and 8,926,865.62

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Solution

The fourth proportional to 15,801,940.69, 21,808,450.53 and 8,926,865.62 is: 12,320,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801,940.69 : 21,808,450.53 = 8,926,865.62 : x
  2. Step 2: Convert to fraction form
    15,801,940.69/21,808,450.53 = 8,926,865.62/x
  3. Step 3: Cross multiply
    15,801,940.69x = 21,808,450.53 × 8,926,865.62
  4. Step 4: Simplify right side
    15,801,940.69x = 194,681,107,207,206.66
  5. Step 5: Solve for x
    x = 194,681,107,207,206.66/15,801,940.69
  6. Step 6: Final answer
    x = 12,320,075.81

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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.