Home / 28,082,791.80-42,124,187.70-15,947,566.20

Finding the Fourth Proportional to 28,082,791.80, 42,124,187.70 and 15,947,566.20

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Solution

The fourth proportional to 28,082,791.80, 42,124,187.70 and 15,947,566.20 is: 23,921,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,791.80 : 42,124,187.70 = 15,947,566.20 : x
  2. Step 2: Convert to fraction form
    28,082,791.80/42,124,187.70 = 15,947,566.20/x
  3. Step 3: Cross multiply
    28,082,791.80x = 42,124,187.70 × 15,947,566.20
  4. Step 4: Simplify right side
    28,082,791.80x = 671,778,271,966,975.75
  5. Step 5: Solve for x
    x = 671,778,271,966,975.75/28,082,791.80
  6. Step 6: Final answer
    x = 23,921,349.30

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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.