Home / 21,335,428.65-31,955,903.78-17,556,292.65

Finding the Fourth Proportional to 21,335,428.65, 31,955,903.78 and 17,556,292.65

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Solution

The fourth proportional to 21,335,428.65, 31,955,903.78 and 17,556,292.65 is: 26,295,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,428.65 : 31,955,903.78 = 17,556,292.65 : x
  2. Step 2: Convert to fraction form
    21,335,428.65/31,955,903.78 = 17,556,292.65/x
  3. Step 3: Cross multiply
    21,335,428.65x = 31,955,903.78 × 17,556,292.65
  4. Step 4: Simplify right side
    21,335,428.65x = 561,027,198,569,139.69
  5. Step 5: Solve for x
    x = 561,027,198,569,139.69/21,335,428.65
  6. Step 6: Final answer
    x = 26,295,567.24

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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.