Home / 19,598,327.70-27,044,288.31-10,778,400

Finding the Fourth Proportional to 19,598,327.70, 27,044,288.31 and 10,778,400

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Solution

The fourth proportional to 19,598,327.70, 27,044,288.31 and 10,778,400 is: 14,873,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598,327.70 : 27,044,288.31 = 10,778,400 : x
  2. Step 2: Convert to fraction form
    19,598,327.70/27,044,288.31 = 10,778,400/x
  3. Step 3: Cross multiply
    19,598,327.70x = 27,044,288.31 × 10,778,400
  4. Step 4: Simplify right side
    19,598,327.70x = 291,494,157,120,504
  5. Step 5: Solve for x
    x = 291,494,157,120,504/19,598,327.70
  6. Step 6: Final answer
    x = 14,873,419.89

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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.