Home / 20,710,888.20-31,043,004.30-9,933,352.20

Finding the Fourth Proportional to 20,710,888.20, 31,043,004.30 and 9,933,352.20

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Solution

The fourth proportional to 20,710,888.20, 31,043,004.30 and 9,933,352.20 is: 14,888,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,888.20 : 31,043,004.30 = 9,933,352.20 : x
  2. Step 2: Convert to fraction form
    20,710,888.20/31,043,004.30 = 9,933,352.20/x
  3. Step 3: Cross multiply
    20,710,888.20x = 31,043,004.30 × 9,933,352.20
  4. Step 4: Simplify right side
    20,710,888.20x = 308,361,095,058,014.44
  5. Step 5: Solve for x
    x = 308,361,095,058,014.44/20,710,888.20
  6. Step 6: Final answer
    x = 14,888,839.73

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1.5x scale

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.