Home / 15,315,411.80-21,413,233-15,315,411.80

Finding the Fourth Proportional to 15,315,411.80, 21,413,233 and 15,315,411.80

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Solution

The fourth proportional to 15,315,411.80, 21,413,233 and 15,315,411.80 is: 21,413,233

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315,411.80 : 21,413,233 = 15,315,411.80 : x
  2. Step 2: Convert to fraction form
    15,315,411.80/21,413,233 = 15,315,411.80/x
  3. Step 3: Cross multiply
    15,315,411.80x = 21,413,233 × 15,315,411.80
  4. Step 4: Simplify right side
    15,315,411.80x = 327,952,481,364,349.44
  5. Step 5: Solve for x
    x = 327,952,481,364,349.44/15,315,411.80
  6. Step 6: Final answer
    x = 21,413,233

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.