Home / 28,008,083.70-42,012,125.55-6,732,947.70

Finding the Fourth Proportional to 28,008,083.70, 42,012,125.55 and 6,732,947.70

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Solution

The fourth proportional to 28,008,083.70, 42,012,125.55 and 6,732,947.70 is: 10,099,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008,083.70 : 42,012,125.55 = 6,732,947.70 : x
  2. Step 2: Convert to fraction form
    28,008,083.70/42,012,125.55 = 6,732,947.70/x
  3. Step 3: Cross multiply
    28,008,083.70x = 42,012,125.55 × 6,732,947.70
  4. Step 4: Simplify right side
    28,008,083.70x = 282,865,444,093,983.75
  5. Step 5: Solve for x
    x = 282,865,444,093,983.75/28,008,083.70
  6. Step 6: Final answer
    x = 10,099,421.55

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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.