Home / 15,692,486.40-21,655,650.24-8,816,964.48

Finding the Fourth Proportional to 15,692,486.40, 21,655,650.24 and 8,816,964.48

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Solution

The fourth proportional to 15,692,486.40, 21,655,650.24 and 8,816,964.48 is: 12,167,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692,486.40 : 21,655,650.24 = 8,816,964.48 : x
  2. Step 2: Convert to fraction form
    15,692,486.40/21,655,650.24 = 8,816,964.48/x
  3. Step 3: Cross multiply
    15,692,486.40x = 21,655,650.24 × 8,816,964.48
  4. Step 4: Simplify right side
    15,692,486.40x = 190,937,098,957,383.47
  5. Step 5: Solve for x
    x = 190,937,098,957,383.47/15,692,486.40
  6. Step 6: Final answer
    x = 12,167,421.66

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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.