Home / 19,930,428.40-27,503,991.12-10,763,070.52

Finding the Fourth Proportional to 19,930,428.40, 27,503,991.12 and 10,763,070.52

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Solution

The fourth proportional to 19,930,428.40, 27,503,991.12 and 10,763,070.52 is: 14,853,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930,428.40 : 27,503,991.12 = 10,763,070.52 : x
  2. Step 2: Convert to fraction form
    19,930,428.40/27,503,991.12 = 10,763,070.52/x
  3. Step 3: Cross multiply
    19,930,428.40x = 27,503,991.12 × 10,763,070.52
  4. Step 4: Simplify right side
    19,930,428.40x = 296,027,396,006,013.81
  5. Step 5: Solve for x
    x = 296,027,396,006,013.81/19,930,428.40
  6. Step 6: Final answer
    x = 14,853,037.28

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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.