Home / 30,881,761.09-46,321,010.18-10,129,465.64

Finding the Fourth Proportional to 30,881,761.09, 46,321,010.18 and 10,129,465.64

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Solution

The fourth proportional to 30,881,761.09, 46,321,010.18 and 10,129,465.64 is: 15,193,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,761.09 : 46,321,010.18 = 10,129,465.64 : x
  2. Step 2: Convert to fraction form
    30,881,761.09/46,321,010.18 = 10,129,465.64/x
  3. Step 3: Cross multiply
    30,881,761.09x = 46,321,010.18 × 10,129,465.64
  4. Step 4: Simplify right side
    30,881,761.09x = 469,207,081,011,468.94
  5. Step 5: Solve for x
    x = 469,207,081,011,468.94/30,881,761.09
  6. Step 6: Final answer
    x = 15,193,663.33

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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.