Home / 28,875,882.21-39,848,706.05-15,998,826.21

Finding the Fourth Proportional to 28,875,882.21, 39,848,706.05 and 15,998,826.21

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Solution

The fourth proportional to 28,875,882.21, 39,848,706.05 and 15,998,826.21 is: 22,078,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875,882.21 : 39,848,706.05 = 15,998,826.21 : x
  2. Step 2: Convert to fraction form
    28,875,882.21/39,848,706.05 = 15,998,826.21/x
  3. Step 3: Cross multiply
    28,875,882.21x = 39,848,706.05 × 15,998,826.21
  4. Step 4: Simplify right side
    28,875,882.21x = 637,532,522,707,331.50
  5. Step 5: Solve for x
    x = 637,532,522,707,331.50/28,875,882.21
  6. Step 6: Final answer
    x = 22,078,373.85

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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.