Home / 20,751,921.79-31,107,050.57-7,095,728.76

Finding the Fourth Proportional to 20,751,921.79, 31,107,050.57 and 7,095,728.76

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Solution

The fourth proportional to 20,751,921.79, 31,107,050.57 and 7,095,728.76 is: 10,636,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,751,921.79 : 31,107,050.57 = 7,095,728.76 : x
  2. Step 2: Convert to fraction form
    20,751,921.79/31,107,050.57 = 7,095,728.76/x
  3. Step 3: Cross multiply
    20,751,921.79x = 31,107,050.57 × 7,095,728.76
  4. Step 4: Simplify right side
    20,751,921.79x = 220,727,193,541,846.50
  5. Step 5: Solve for x
    x = 220,727,193,541,846.50/20,751,921.79
  6. Step 6: Final answer
    x = 10,636,470.00

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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.