Home / 15,383,655.69-21,235,981.59-9,585,302.25

Finding the Fourth Proportional to 15,383,655.69, 21,235,981.59 and 9,585,302.25

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Solution

The fourth proportional to 15,383,655.69, 21,235,981.59 and 9,585,302.25 is: 13,231,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,655.69 : 21,235,981.59 = 9,585,302.25 : x
  2. Step 2: Convert to fraction form
    15,383,655.69/21,235,981.59 = 9,585,302.25/x
  3. Step 3: Cross multiply
    15,383,655.69x = 21,235,981.59 × 9,585,302.25
  4. Step 4: Simplify right side
    15,383,655.69x = 203,553,302,115,585.56
  5. Step 5: Solve for x
    x = 203,553,302,115,585.56/15,383,655.69
  6. Step 6: Final answer
    x = 13,231,790.04

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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.