Home / 20,837,094.74-31,243,527.08-7,884,244.36

Finding the Fourth Proportional to 20,837,094.74, 31,243,527.08 and 7,884,244.36

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Solution

The fourth proportional to 20,837,094.74, 31,243,527.08 and 7,884,244.36 is: 11,821,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,094.74 : 31,243,527.08 = 7,884,244.36 : x
  2. Step 2: Convert to fraction form
    20,837,094.74/31,243,527.08 = 7,884,244.36/x
  3. Step 3: Cross multiply
    20,837,094.74x = 31,243,527.08 × 7,884,244.36
  4. Step 4: Simplify right side
    20,837,094.74x = 246,331,602,212,410.03
  5. Step 5: Solve for x
    x = 246,331,602,212,410.03/20,837,094.74
  6. Step 6: Final answer
    x = 11,821,782.51

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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.