Home / 28,338,656.70-42,513,233.85-9,170,039.10

Finding the Fourth Proportional to 28,338,656.70, 42,513,233.85 and 9,170,039.10

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Solution

The fourth proportional to 28,338,656.70, 42,513,233.85 and 9,170,039.10 is: 13,756,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338,656.70 : 42,513,233.85 = 9,170,039.10 : x
  2. Step 2: Convert to fraction form
    28,338,656.70/42,513,233.85 = 9,170,039.10/x
  3. Step 3: Cross multiply
    28,338,656.70x = 42,513,233.85 × 9,170,039.10
  4. Step 4: Simplify right side
    28,338,656.70x = 389,848,016,671,943.56
  5. Step 5: Solve for x
    x = 389,848,016,671,943.56/28,338,656.70
  6. Step 6: Final answer
    x = 13,756,757.10

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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.