Home / 7,207,157.05-9,945,877.41-3,943,971.61

Finding the Fourth Proportional to 7,207,157.05, 9,945,877.41 and 3,943,971.61

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Solution

The fourth proportional to 7,207,157.05, 9,945,877.41 and 3,943,971.61 is: 5,442,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,157.05 : 9,945,877.41 = 3,943,971.61 : x
  2. Step 2: Convert to fraction form
    7,207,157.05/9,945,877.41 = 3,943,971.61/x
  3. Step 3: Cross multiply
    7,207,157.05x = 9,945,877.41 × 3,943,971.61
  4. Step 4: Simplify right side
    7,207,157.05x = 39,226,258,116,715.63
  5. Step 5: Solve for x
    x = 39,226,258,116,715.63/7,207,157.05
  6. Step 6: Final answer
    x = 5,442,681.19

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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.