Home / 13,363,218.70-20,044,828.05-9,961,996.30

Finding the Fourth Proportional to 13,363,218.70, 20,044,828.05 and 9,961,996.30

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Solution

The fourth proportional to 13,363,218.70, 20,044,828.05 and 9,961,996.30 is: 14,942,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,218.70 : 20,044,828.05 = 9,961,996.30 : x
  2. Step 2: Convert to fraction form
    13,363,218.70/20,044,828.05 = 9,961,996.30/x
  3. Step 3: Cross multiply
    13,363,218.70x = 20,044,828.05 × 9,961,996.30
  4. Step 4: Simplify right side
    13,363,218.70x = 199,686,502,868,236.25
  5. Step 5: Solve for x
    x = 199,686,502,868,236.25/13,363,218.70
  6. Step 6: Final answer
    x = 14,942,994.45

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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.