Home / 18,828,955.20-28,247,614.56-5,365,899.84

Finding the Fourth Proportional to 18,828,955.20, 28,247,614.56 and 5,365,899.84

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Solution

The fourth proportional to 18,828,955.20, 28,247,614.56 and 5,365,899.84 is: 8,050,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828,955.20 : 28,247,614.56 = 5,365,899.84 : x
  2. Step 2: Convert to fraction form
    18,828,955.20/28,247,614.56 = 5,365,899.84/x
  3. Step 3: Cross multiply
    18,828,955.20x = 28,247,614.56 × 5,365,899.84
  4. Step 4: Simplify right side
    18,828,955.20x = 151,573,870,447,885.66
  5. Step 5: Solve for x
    x = 151,573,870,447,885.66/18,828,955.20
  6. Step 6: Final answer
    x = 8,050,041.48

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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.