Home / 15,623,813.77-21,561,751.79-8,748,235.69

Finding the Fourth Proportional to 15,623,813.77, 21,561,751.79 and 8,748,235.69

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Solution

The fourth proportional to 15,623,813.77, 21,561,751.79 and 8,748,235.69 is: 12,073,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623,813.77 : 21,561,751.79 = 8,748,235.69 : x
  2. Step 2: Convert to fraction form
    15,623,813.77/21,561,751.79 = 8,748,235.69/x
  3. Step 3: Cross multiply
    15,623,813.77x = 21,561,751.79 × 8,748,235.69
  4. Step 4: Simplify right side
    15,623,813.77x = 188,627,286,548,199.38
  5. Step 5: Solve for x
    x = 188,627,286,548,199.38/15,623,813.77
  6. Step 6: Final answer
    x = 12,073,062.91

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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.