Home / 21,184,735.92-31,772,374.92-9,823,708.32

Finding the Fourth Proportional to 21,184,735.92, 31,772,374.92 and 9,823,708.32

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Solution

The fourth proportional to 21,184,735.92, 31,772,374.92 and 9,823,708.32 is: 14,733,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184,735.92 : 31,772,374.92 = 9,823,708.32 : x
  2. Step 2: Convert to fraction form
    21,184,735.92/31,772,374.92 = 9,823,708.32/x
  3. Step 3: Cross multiply
    21,184,735.92x = 31,772,374.92 × 9,823,708.32
  4. Step 4: Simplify right side
    21,184,735.92x = 312,122,543,847,763.38
  5. Step 5: Solve for x
    x = 312,122,543,847,763.38/21,184,735.92
  6. Step 6: Final answer
    x = 14,733,369.58

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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.