Home / 31,581,275.40-43,585,935.30-19,193,386.50

Finding the Fourth Proportional to 31,581,275.40, 43,585,935.30 and 19,193,386.50

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Solution

The fourth proportional to 31,581,275.40, 43,585,935.30 and 19,193,386.50 is: 26,489,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581,275.40 : 43,585,935.30 = 19,193,386.50 : x
  2. Step 2: Convert to fraction form
    31,581,275.40/43,585,935.30 = 19,193,386.50/x
  3. Step 3: Cross multiply
    31,581,275.40x = 43,585,935.30 × 19,193,386.50
  4. Step 4: Simplify right side
    31,581,275.40x = 836,561,702,176,893.38
  5. Step 5: Solve for x
    x = 836,561,702,176,893.38/31,581,275.40
  6. Step 6: Final answer
    x = 26,489,167.76

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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.