Home / 7,172,406.57-9,897,924.73-4,074,935.29

Finding the Fourth Proportional to 7,172,406.57, 9,897,924.73 and 4,074,935.29

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Solution

The fourth proportional to 7,172,406.57, 9,897,924.73 and 4,074,935.29 is: 5,623,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,406.57 : 9,897,924.73 = 4,074,935.29 : x
  2. Step 2: Convert to fraction form
    7,172,406.57/9,897,924.73 = 4,074,935.29/x
  3. Step 3: Cross multiply
    7,172,406.57x = 9,897,924.73 × 4,074,935.29
  4. Step 4: Simplify right side
    7,172,406.57x = 40,333,402,745,108.57
  5. Step 5: Solve for x
    x = 40,333,402,745,108.57/7,172,406.57
  6. Step 6: Final answer
    x = 5,623,412.78

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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.