Home / 12,688,226.48-17,509,474.68-6,887,019.44

Finding the Fourth Proportional to 12,688,226.48, 17,509,474.68 and 6,887,019.44

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Solution

The fourth proportional to 12,688,226.48, 17,509,474.68 and 6,887,019.44 is: 9,503,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,226.48 : 17,509,474.68 = 6,887,019.44 : x
  2. Step 2: Convert to fraction form
    12,688,226.48/17,509,474.68 = 6,887,019.44/x
  3. Step 3: Cross multiply
    12,688,226.48x = 17,509,474.68 × 6,887,019.44
  4. Step 4: Simplify right side
    12,688,226.48x = 120,588,092,505,347.78
  5. Step 5: Solve for x
    x = 120,588,092,505,347.78/12,688,226.48
  6. Step 6: Final answer
    x = 9,503,936.01

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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.