Home / 15,674,540.92-21,638,105.39-9,398,038.47

Finding the Fourth Proportional to 15,674,540.92, 21,638,105.39 and 9,398,038.47

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Solution

The fourth proportional to 15,674,540.92, 21,638,105.39 and 9,398,038.47 is: 12,973,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674,540.92 : 21,638,105.39 = 9,398,038.47 : x
  2. Step 2: Convert to fraction form
    15,674,540.92/21,638,105.39 = 9,398,038.47/x
  3. Step 3: Cross multiply
    15,674,540.92x = 21,638,105.39 × 9,398,038.47
  4. Step 4: Simplify right side
    15,674,540.92x = 203,355,746,873,134.38
  5. Step 5: Solve for x
    x = 203,355,746,873,134.38/15,674,540.92
  6. Step 6: Final answer
    x = 12,973,633.35

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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.