Home / 28,405,623.20-42,608,434.80-23,681,703.20

Finding the Fourth Proportional to 28,405,623.20, 42,608,434.80 and 23,681,703.20

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Solution

The fourth proportional to 28,405,623.20, 42,608,434.80 and 23,681,703.20 is: 35,522,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,623.20 : 42,608,434.80 = 23,681,703.20 : x
  2. Step 2: Convert to fraction form
    28,405,623.20/42,608,434.80 = 23,681,703.20/x
  3. Step 3: Cross multiply
    28,405,623.20x = 42,608,434.80 × 23,681,703.20
  4. Step 4: Simplify right side
    28,405,623.20x = 1,009,040,306,750,151.25
  5. Step 5: Solve for x
    x = 1,009,040,306,750,151.25/28,405,623.20
  6. Step 6: Final answer
    x = 35,522,554.80

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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.