Home / 31,285,302.48-43,173,063.72-17,156,284.56

Finding the Fourth Proportional to 31,285,302.48, 43,173,063.72 and 17,156,284.56

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Solution

The fourth proportional to 31,285,302.48, 43,173,063.72 and 17,156,284.56 is: 23,675,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285,302.48 : 43,173,063.72 = 17,156,284.56 : x
  2. Step 2: Convert to fraction form
    31,285,302.48/43,173,063.72 = 17,156,284.56/x
  3. Step 3: Cross multiply
    31,285,302.48x = 43,173,063.72 × 17,156,284.56
  4. Step 4: Simplify right side
    31,285,302.48x = 740,689,366,507,332.12
  5. Step 5: Solve for x
    x = 740,689,366,507,332.12/31,285,302.48
  6. Step 6: Final answer
    x = 23,675,314.21

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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.