Home / 20,685,217.04-31,027,825.60-10,582,326.80

Finding the Fourth Proportional to 20,685,217.04, 31,027,825.60 and 10,582,326.80

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Solution

The fourth proportional to 20,685,217.04, 31,027,825.60 and 10,582,326.80 is: 15,873,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,685,217.04 : 31,027,825.60 = 10,582,326.80 : x
  2. Step 2: Convert to fraction form
    20,685,217.04/31,027,825.60 = 10,582,326.80/x
  3. Step 3: Cross multiply
    20,685,217.04x = 31,027,825.60 × 10,582,326.80
  4. Step 4: Simplify right side
    20,685,217.04x = 328,346,590,392,606.12
  5. Step 5: Solve for x
    x = 328,346,590,392,606.12/20,685,217.04
  6. Step 6: Final answer
    x = 15,873,490.22

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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.