Home / 12,688,550.37-17,510,213.07-6,887,331.18

Finding the Fourth Proportional to 12,688,550.37, 17,510,213.07 and 6,887,331.18

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Solution

The fourth proportional to 12,688,550.37, 17,510,213.07 and 6,887,331.18 is: 9,504,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,550.37 : 17,510,213.07 = 6,887,331.18 : x
  2. Step 2: Convert to fraction form
    12,688,550.37/17,510,213.07 = 6,887,331.18/x
  3. Step 3: Cross multiply
    12,688,550.37x = 17,510,213.07 × 6,887,331.18
  4. Step 4: Simplify right side
    12,688,550.37x = 120,598,636,445,454.52
  5. Step 5: Solve for x
    x = 120,598,636,445,454.52/12,688,550.37
  6. Step 6: Final answer
    x = 9,504,524.39

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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.