Home / 7,172,448.70-9,897,982.89-4,074,977.51

Finding the Fourth Proportional to 7,172,448.70, 9,897,982.89 and 4,074,977.51

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Solution

The fourth proportional to 7,172,448.70, 9,897,982.89 and 4,074,977.51 is: 5,623,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,448.70 : 9,897,982.89 = 4,074,977.51 : x
  2. Step 2: Convert to fraction form
    7,172,448.70/9,897,982.89 = 4,074,977.51/x
  3. Step 3: Cross multiply
    7,172,448.70x = 9,897,982.89 × 4,074,977.51
  4. Step 4: Simplify right side
    7,172,448.70x = 40,334,057,671,114.80
  5. Step 5: Solve for x
    x = 40,334,057,671,114.80/7,172,448.70
  6. Step 6: Final answer
    x = 5,623,471.06

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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.