Home / 15,552,478.20-23,287,893.30-10,978,829.40

Finding the Fourth Proportional to 15,552,478.20, 23,287,893.30 and 10,978,829.40

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Solution

The fourth proportional to 15,552,478.20, 23,287,893.30 and 10,978,829.40 is: 16,439,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,478.20 : 23,287,893.30 = 10,978,829.40 : x
  2. Step 2: Convert to fraction form
    15,552,478.20/23,287,893.30 = 10,978,829.40/x
  3. Step 3: Cross multiply
    15,552,478.20x = 23,287,893.30 × 10,978,829.40
  4. Step 4: Simplify right side
    15,552,478.20x = 255,673,807,626,103.03
  5. Step 5: Solve for x
    x = 255,673,807,626,103.03/15,552,478.20
  6. Step 6: Final answer
    x = 16,439,425.56

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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.