Home / 20,733,965.80-31,100,948.70-11,664,039.40

Finding the Fourth Proportional to 20,733,965.80, 31,100,948.70 and 11,664,039.40

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Solution

The fourth proportional to 20,733,965.80, 31,100,948.70 and 11,664,039.40 is: 17,496,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,965.80 : 31,100,948.70 = 11,664,039.40 : x
  2. Step 2: Convert to fraction form
    20,733,965.80/31,100,948.70 = 11,664,039.40/x
  3. Step 3: Cross multiply
    20,733,965.80x = 31,100,948.70 × 11,664,039.40
  4. Step 4: Simplify right side
    20,733,965.80x = 362,762,691,014,178.81
  5. Step 5: Solve for x
    x = 362,762,691,014,178.81/20,733,965.80
  6. Step 6: Final answer
    x = 17,496,059.10

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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.