Home / 15,790,670.88-21,794,581.08-9,997,177.20

Finding the Fourth Proportional to 15,790,670.88, 21,794,581.08 and 9,997,177.20

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Solution

The fourth proportional to 15,790,670.88, 21,794,581.08 and 9,997,177.20 is: 13,798,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,670.88 : 21,794,581.08 = 9,997,177.20 : x
  2. Step 2: Convert to fraction form
    15,790,670.88/21,794,581.08 = 9,997,177.20/x
  3. Step 3: Cross multiply
    15,790,670.88x = 21,794,581.08 × 9,997,177.20
  4. Step 4: Simplify right side
    15,790,670.88x = 217,884,289,056,527.34
  5. Step 5: Solve for x
    x = 217,884,289,056,527.34/15,790,670.88
  6. Step 6: Final answer
    x = 13,798,292.09

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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.