Home / 20,943,450.72-31,411,676.88-5,798,913.12

Finding the Fourth Proportional to 20,943,450.72, 31,411,676.88 and 5,798,913.12

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Solution

The fourth proportional to 20,943,450.72, 31,411,676.88 and 5,798,913.12 is: 8,697,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943,450.72 : 31,411,676.88 = 5,798,913.12 : x
  2. Step 2: Convert to fraction form
    20,943,450.72/31,411,676.88 = 5,798,913.12/x
  3. Step 3: Cross multiply
    20,943,450.72x = 31,411,676.88 × 5,798,913.12
  4. Step 4: Simplify right side
    20,943,450.72x = 182,153,585,180,632.66
  5. Step 5: Solve for x
    x = 182,153,585,180,632.66/20,943,450.72
  6. Step 6: Final answer
    x = 8,697,400.81

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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.