Home / 20,943,350.72-31,411,526.88-5,798,813.12

Finding the Fourth Proportional to 20,943,350.72, 31,411,526.88 and 5,798,813.12

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Solution

The fourth proportional to 20,943,350.72, 31,411,526.88 and 5,798,813.12 is: 8,697,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943,350.72 : 31,411,526.88 = 5,798,813.12 : x
  2. Step 2: Convert to fraction form
    20,943,350.72/31,411,526.88 = 5,798,813.12/x
  3. Step 3: Cross multiply
    20,943,350.72x = 31,411,526.88 × 5,798,813.12
  4. Step 4: Simplify right side
    20,943,350.72x = 182,149,574,190,976.66
  5. Step 5: Solve for x
    x = 182,149,574,190,976.66/20,943,350.72
  6. Step 6: Final answer
    x = 8,697,250.82

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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.