Home / 31,229,129.30-46,845,531.06-12,059,986.82

Finding the Fourth Proportional to 31,229,129.30, 46,845,531.06 and 12,059,986.82

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Solution

The fourth proportional to 31,229,129.30, 46,845,531.06 and 12,059,986.82 is: 18,090,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229,129.30 : 46,845,531.06 = 12,059,986.82 : x
  2. Step 2: Convert to fraction form
    31,229,129.30/46,845,531.06 = 12,059,986.82/x
  3. Step 3: Cross multiply
    31,229,129.30x = 46,845,531.06 × 12,059,986.82
  4. Step 4: Simplify right side
    31,229,129.30x = 564,956,487,159,500.62
  5. Step 5: Solve for x
    x = 564,956,487,159,500.62/31,229,129.30
  6. Step 6: Final answer
    x = 18,090,689.68

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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.