Home / 21,217,973.92-31,827,183.18-16,985,050

Finding the Fourth Proportional to 21,217,973.92, 31,827,183.18 and 16,985,050

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Solution

The fourth proportional to 21,217,973.92, 31,827,183.18 and 16,985,050 is: 25,477,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217,973.92 : 31,827,183.18 = 16,985,050 : x
  2. Step 2: Convert to fraction form
    21,217,973.92/31,827,183.18 = 16,985,050/x
  3. Step 3: Cross multiply
    21,217,973.92x = 31,827,183.18 × 16,985,050
  4. Step 4: Simplify right side
    21,217,973.92x = 540,586,297,671,459
  5. Step 5: Solve for x
    x = 540,586,297,671,459/21,217,973.92
  6. Step 6: Final answer
    x = 25,477,752.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.