Home / 28,877,040.80-43,315,561.20-25,629,783.20

Finding the Fourth Proportional to 28,877,040.80, 43,315,561.20 and 25,629,783.20

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Solution

The fourth proportional to 28,877,040.80, 43,315,561.20 and 25,629,783.20 is: 38,444,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,040.80 : 43,315,561.20 = 25,629,783.20 : x
  2. Step 2: Convert to fraction form
    28,877,040.80/43,315,561.20 = 25,629,783.20/x
  3. Step 3: Cross multiply
    28,877,040.80x = 43,315,561.20 × 25,629,783.20
  4. Step 4: Simplify right side
    28,877,040.80x = 1,110,168,442,742,331.88
  5. Step 5: Solve for x
    x = 1,110,168,442,742,331.88/28,877,040.80
  6. Step 6: Final answer
    x = 38,444,674.80

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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.