Home / 7,172,408.45-9,897,927.32-4,074,937.16

Finding the Fourth Proportional to 7,172,408.45, 9,897,927.32 and 4,074,937.16

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Solution

The fourth proportional to 7,172,408.45, 9,897,927.32 and 4,074,937.16 is: 5,623,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,408.45 : 9,897,927.32 = 4,074,937.16 : x
  2. Step 2: Convert to fraction form
    7,172,408.45/9,897,927.32 = 4,074,937.16/x
  3. Step 3: Cross multiply
    7,172,408.45x = 9,897,927.32 × 4,074,937.16
  4. Step 4: Simplify right side
    7,172,408.45x = 40,333,431,773,382.88
  5. Step 5: Solve for x
    x = 40,333,431,773,382.88/7,172,408.45
  6. Step 6: Final answer
    x = 5,623,415.35

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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.