Home / 21,184,738.92-31,772,379.42-9,823,711.32

Finding the Fourth Proportional to 21,184,738.92, 31,772,379.42 and 9,823,711.32

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Solution

The fourth proportional to 21,184,738.92, 31,772,379.42 and 9,823,711.32 is: 14,733,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184,738.92 : 31,772,379.42 = 9,823,711.32 : x
  2. Step 2: Convert to fraction form
    21,184,738.92/31,772,379.42 = 9,823,711.32/x
  3. Step 3: Cross multiply
    21,184,738.92x = 31,772,379.42 × 9,823,711.32
  4. Step 4: Simplify right side
    21,184,738.92x = 312,122,683,371,589.06
  5. Step 5: Solve for x
    x = 312,122,683,371,589.06/21,184,738.92
  6. Step 6: Final answer
    x = 14,733,374.08

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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.