Home / 15,552,015.20-23,328,022.80-9,878,645.60

Finding the Fourth Proportional to 15,552,015.20, 23,328,022.80 and 9,878,645.60

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Solution

The fourth proportional to 15,552,015.20, 23,328,022.80 and 9,878,645.60 is: 14,817,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,015.20 : 23,328,022.80 = 9,878,645.60 : x
  2. Step 2: Convert to fraction form
    15,552,015.20/23,328,022.80 = 9,878,645.60/x
  3. Step 3: Cross multiply
    15,552,015.20x = 23,328,022.80 × 9,878,645.60
  4. Step 4: Simplify right side
    15,552,015.20x = 230,449,269,789,919.69
  5. Step 5: Solve for x
    x = 230,449,269,789,919.69/15,552,015.20
  6. Step 6: Final answer
    x = 14,817,968.40

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1.5x scale

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.