Home / 30,948,786.45-46,420,332.93-10,476,165.78

Finding the Fourth Proportional to 30,948,786.45, 46,420,332.93 and 10,476,165.78

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Solution

The fourth proportional to 30,948,786.45, 46,420,332.93 and 10,476,165.78 is: 15,713,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948,786.45 : 46,420,332.93 = 10,476,165.78 : x
  2. Step 2: Convert to fraction form
    30,948,786.45/46,420,332.93 = 10,476,165.78/x
  3. Step 3: Cross multiply
    30,948,786.45x = 46,420,332.93 × 10,476,165.78
  4. Step 4: Simplify right side
    30,948,786.45x = 486,307,103,337,473.12
  5. Step 5: Solve for x
    x = 486,307,103,337,473.12/30,948,786.45
  6. Step 6: Final answer
    x = 15,713,285.05

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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.