Home / 20,607,424.40-30,914,635.80-11,020,199.60

Finding the Fourth Proportional to 20,607,424.40, 30,914,635.80 and 11,020,199.60

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Solution

The fourth proportional to 20,607,424.40, 30,914,635.80 and 11,020,199.60 is: 16,532,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607,424.40 : 30,914,635.80 = 11,020,199.60 : x
  2. Step 2: Convert to fraction form
    20,607,424.40/30,914,635.80 = 11,020,199.60/x
  3. Step 3: Cross multiply
    20,607,424.40x = 30,914,635.80 × 11,020,199.60
  4. Step 4: Simplify right side
    20,607,424.40x = 340,685,457,077,305.69
  5. Step 5: Solve for x
    x = 340,685,457,077,305.69/20,607,424.40
  6. Step 6: Final answer
    x = 16,532,170.66

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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.