Home / 12,688,552.37-17,510,215.83-6,887,333.18

Finding the Fourth Proportional to 12,688,552.37, 17,510,215.83 and 6,887,333.18

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Solution

The fourth proportional to 12,688,552.37, 17,510,215.83 and 6,887,333.18 is: 9,504,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,552.37 : 17,510,215.83 = 6,887,333.18 : x
  2. Step 2: Convert to fraction form
    12,688,552.37/17,510,215.83 = 6,887,333.18/x
  3. Step 3: Cross multiply
    12,688,552.37x = 17,510,215.83 × 6,887,333.18
  4. Step 4: Simplify right side
    12,688,552.37x = 120,598,690,474,920.22
  5. Step 5: Solve for x
    x = 120,598,690,474,920.22/12,688,552.37
  6. Step 6: Final answer
    x = 9,504,527.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.