Home / 12,162,647.40-16,786,234.02-7,005,005.16

Finding the Fourth Proportional to 12,162,647.40, 16,786,234.02 and 7,005,005.16

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Solution

The fourth proportional to 12,162,647.40, 16,786,234.02 and 7,005,005.16 is: 9,667,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,647.40 : 16,786,234.02 = 7,005,005.16 : x
  2. Step 2: Convert to fraction form
    12,162,647.40/16,786,234.02 = 7,005,005.16/x
  3. Step 3: Cross multiply
    12,162,647.40x = 16,786,234.02 × 7,005,005.16
  4. Step 4: Simplify right side
    12,162,647.40x = 117,587,655,927,067.55
  5. Step 5: Solve for x
    x = 117,587,655,927,067.55/12,162,647.40
  6. Step 6: Final answer
    x = 9,667,932.65

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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.