Home / 15,888,907.43-21,926,604.11-8,919,583.13

Finding the Fourth Proportional to 15,888,907.43, 21,926,604.11 and 8,919,583.13

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Solution

The fourth proportional to 15,888,907.43, 21,926,604.11 and 8,919,583.13 is: 12,308,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888,907.43 : 21,926,604.11 = 8,919,583.13 : x
  2. Step 2: Convert to fraction form
    15,888,907.43/21,926,604.11 = 8,919,583.13/x
  3. Step 3: Cross multiply
    15,888,907.43x = 21,926,604.11 × 8,919,583.13
  4. Step 4: Simplify right side
    15,888,907.43x = 195,576,167,963,513.72
  5. Step 5: Solve for x
    x = 195,576,167,963,513.72/15,888,907.43
  6. Step 6: Final answer
    x = 12,308,975.23

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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.