Home / 10,021,701.85-13,829,957.72-5,438,023.22

Finding the Fourth Proportional to 10,021,701.85, 13,829,957.72 and 5,438,023.22

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Solution

The fourth proportional to 10,021,701.85, 13,829,957.72 and 5,438,023.22 is: 7,504,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021,701.85 : 13,829,957.72 = 5,438,023.22 : x
  2. Step 2: Convert to fraction form
    10,021,701.85/13,829,957.72 = 5,438,023.22/x
  3. Step 3: Cross multiply
    10,021,701.85x = 13,829,957.72 × 5,438,023.22
  4. Step 4: Simplify right side
    10,021,701.85x = 75,207,631,240,755.62
  5. Step 5: Solve for x
    x = 75,207,631,240,755.62/10,021,701.85
  6. Step 6: Final answer
    x = 7,504,477.02

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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.