Home / 20,837,095.74-31,243,528.57-7,884,245.36

Finding the Fourth Proportional to 20,837,095.74, 31,243,528.57 and 7,884,245.36

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Solution

The fourth proportional to 20,837,095.74, 31,243,528.57 and 7,884,245.36 is: 11,821,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,095.74 : 31,243,528.57 = 7,884,245.36 : x
  2. Step 2: Convert to fraction form
    20,837,095.74/31,243,528.57 = 7,884,245.36/x
  3. Step 3: Cross multiply
    20,837,095.74x = 31,243,528.57 × 7,884,245.36
  4. Step 4: Simplify right side
    20,837,095.74x = 246,331,645,158,049.94
  5. Step 5: Solve for x
    x = 246,331,645,158,049.94/20,837,095.74
  6. Step 6: Final answer
    x = 11,821,784.01

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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.