Home / 18,722,666.25-25,837,434.95-10,137,962.25

Finding the Fourth Proportional to 18,722,666.25, 25,837,434.95 and 10,137,962.25

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Solution

The fourth proportional to 18,722,666.25, 25,837,434.95 and 10,137,962.25 is: 13,990,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,666.25 : 25,837,434.95 = 10,137,962.25 : x
  2. Step 2: Convert to fraction form
    18,722,666.25/25,837,434.95 = 10,137,962.25/x
  3. Step 3: Cross multiply
    18,722,666.25x = 25,837,434.95 × 10,137,962.25
  4. Step 4: Simplify right side
    18,722,666.25x = 261,938,940,109,240.84
  5. Step 5: Solve for x
    x = 261,938,940,109,240.84/18,722,666.25
  6. Step 6: Final answer
    x = 13,990,472.12

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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.