Home / 31,512,709.40-43,487,871.23-17,761,673.52

Finding the Fourth Proportional to 31,512,709.40, 43,487,871.23 and 17,761,673.52

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Solution

The fourth proportional to 31,512,709.40, 43,487,871.23 and 17,761,673.52 is: 24,511,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512,709.40 : 43,487,871.23 = 17,761,673.52 : x
  2. Step 2: Convert to fraction form
    31,512,709.40/43,487,871.23 = 17,761,673.52/x
  3. Step 3: Cross multiply
    31,512,709.40x = 43,487,871.23 × 17,761,673.52
  4. Step 4: Simplify right side
    31,512,709.40x = 772,417,370,911,465
  5. Step 5: Solve for x
    x = 772,417,370,911,465/31,512,709.40
  6. Step 6: Final answer
    x = 24,511,296.74

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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.