Home / 39,002,328.44-53,824,905.24-21,598,673.72

Finding the Fourth Proportional to 39,002,328.44, 53,824,905.24 and 21,598,673.72

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Solution

The fourth proportional to 39,002,328.44, 53,824,905.24 and 21,598,673.72 is: 29,807,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002,328.44 : 53,824,905.24 = 21,598,673.72 : x
  2. Step 2: Convert to fraction form
    39,002,328.44/53,824,905.24 = 21,598,673.72/x
  3. Step 3: Cross multiply
    39,002,328.44x = 53,824,905.24 × 21,598,673.72
  4. Step 4: Simplify right side
    39,002,328.44x = 1,162,546,566,181,071.50
  5. Step 5: Solve for x
    x = 1,162,546,566,181,071.50/39,002,328.44
  6. Step 6: Final answer
    x = 29,807,106.72

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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.