Home / 30,887,341.20-46,331,011.80-7,858,231.20

Finding the Fourth Proportional to 30,887,341.20, 46,331,011.80 and 7,858,231.20

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Solution

The fourth proportional to 30,887,341.20, 46,331,011.80 and 7,858,231.20 is: 11,787,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887,341.20 : 46,331,011.80 = 7,858,231.20 : x
  2. Step 2: Convert to fraction form
    30,887,341.20/46,331,011.80 = 7,858,231.20/x
  3. Step 3: Cross multiply
    30,887,341.20x = 46,331,011.80 × 7,858,231.20
  4. Step 4: Simplify right side
    30,887,341.20x = 364,079,802,454,328.12
  5. Step 5: Solve for x
    x = 364,079,802,454,328.12/30,887,341.20
  6. Step 6: Final answer
    x = 11,787,346.80

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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.