Home / 21,288,305.55-31,933,473.24-10,345,457.88

Finding the Fourth Proportional to 21,288,305.55, 31,933,473.24 and 10,345,457.88

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Solution

The fourth proportional to 21,288,305.55, 31,933,473.24 and 10,345,457.88 is: 15,518,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,288,305.55 : 31,933,473.24 = 10,345,457.88 : x
  2. Step 2: Convert to fraction form
    21,288,305.55/31,933,473.24 = 10,345,457.88/x
  3. Step 3: Cross multiply
    21,288,305.55x = 31,933,473.24 × 10,345,457.88
  4. Step 4: Simplify right side
    21,288,305.55x = 330,366,402,366,527.12
  5. Step 5: Solve for x
    x = 330,366,402,366,527.12/21,288,305.55
  6. Step 6: Final answer
    x = 15,518,680.04

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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.