Home / 10,022,374.47-13,830,877.09-5,438,695.84

Finding the Fourth Proportional to 10,022,374.47, 13,830,877.09 and 5,438,695.84

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Solution

The fourth proportional to 10,022,374.47, 13,830,877.09 and 5,438,695.84 is: 7,505,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,374.47 : 13,830,877.09 = 5,438,695.84 : x
  2. Step 2: Convert to fraction form
    10,022,374.47/13,830,877.09 = 5,438,695.84/x
  3. Step 3: Cross multiply
    10,022,374.47x = 13,830,877.09 × 5,438,695.84
  4. Step 4: Simplify right side
    10,022,374.47x = 75,221,933,758,247.78
  5. Step 5: Solve for x
    x = 75,221,933,758,247.78/10,022,374.47
  6. Step 6: Final answer
    x = 7,505,400.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.