Home / 28,503,870.84-42,749,230.68-16,992,567.18

Finding the Fourth Proportional to 28,503,870.84, 42,749,230.68 and 16,992,567.18

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Solution

The fourth proportional to 28,503,870.84, 42,749,230.68 and 16,992,567.18 is: 25,484,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503,870.84 : 42,749,230.68 = 16,992,567.18 : x
  2. Step 2: Convert to fraction form
    28,503,870.84/42,749,230.68 = 16,992,567.18/x
  3. Step 3: Cross multiply
    28,503,870.84x = 42,749,230.68 × 16,992,567.18
  4. Step 4: Simplify right side
    28,503,870.84x = 726,419,174,223,217.12
  5. Step 5: Solve for x
    x = 726,419,174,223,217.12/28,503,870.84
  6. Step 6: Final answer
    x = 25,484,930.74

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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.