Home / 12,014,026.97-18,015,652.18-7,158,621.50

Finding the Fourth Proportional to 12,014,026.97, 18,015,652.18 and 7,158,621.50

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Solution

The fourth proportional to 12,014,026.97, 18,015,652.18 and 7,158,621.50 is: 10,734,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014,026.97 : 18,015,652.18 = 7,158,621.50 : x
  2. Step 2: Convert to fraction form
    12,014,026.97/18,015,652.18 = 7,158,621.50/x
  3. Step 3: Cross multiply
    12,014,026.97x = 18,015,652.18 × 7,158,621.50
  4. Step 4: Simplify right side
    12,014,026.97x = 128,967,235,032,269.88
  5. Step 5: Solve for x
    x = 128,967,235,032,269.88/12,014,026.97
  6. Step 6: Final answer
    x = 10,734,721.62

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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.