Home / 21,850,000.92-30,156,037.02-12,192,831

Finding the Fourth Proportional to 21,850,000.92, 30,156,037.02 and 12,192,831

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Solution

The fourth proportional to 21,850,000.92, 30,156,037.02 and 12,192,831 is: 16,827,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850,000.92 : 30,156,037.02 = 12,192,831 : x
  2. Step 2: Convert to fraction form
    21,850,000.92/30,156,037.02 = 12,192,831/x
  3. Step 3: Cross multiply
    21,850,000.92x = 30,156,037.02 × 12,192,831
  4. Step 4: Simplify right side
    21,850,000.92x = 367,687,463,014,603.62
  5. Step 5: Solve for x
    x = 367,687,463,014,603.62/21,850,000.92
  6. Step 6: Final answer
    x = 16,827,800.80

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1.5x scale

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.