Home / 28,551,235.53-39,400,755.01-15,498,503.29

Finding the Fourth Proportional to 28,551,235.53, 39,400,755.01 and 15,498,503.29

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Solution

The fourth proportional to 28,551,235.53, 39,400,755.01 and 15,498,503.29 is: 21,387,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,235.53 : 39,400,755.01 = 15,498,503.29 : x
  2. Step 2: Convert to fraction form
    28,551,235.53/39,400,755.01 = 15,498,503.29/x
  3. Step 3: Cross multiply
    28,551,235.53x = 39,400,755.01 × 15,498,503.29
  4. Step 4: Simplify right side
    28,551,235.53x = 610,652,731,013,720.88
  5. Step 5: Solve for x
    x = 610,652,731,013,720.88/28,551,235.53
  6. Step 6: Final answer
    x = 21,387,961.67

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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.