Home / 12,688,004-17,509,463.07-6,886,786.88

Finding the Fourth Proportional to 12,688,004, 17,509,463.07 and 6,886,786.88

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Solution

The fourth proportional to 12,688,004, 17,509,463.07 and 6,886,786.88 is: 9,503,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,004 : 17,509,463.07 = 6,886,786.88 : x
  2. Step 2: Convert to fraction form
    12,688,004/17,509,463.07 = 6,886,786.88/x
  3. Step 3: Cross multiply
    12,688,004x = 17,509,463.07 × 6,886,786.88
  4. Step 4: Simplify right side
    12,688,004x = 120,583,940,546,320.52
  5. Step 5: Solve for x
    x = 120,583,940,546,320.52/12,688,004
  6. Step 6: Final answer
    x = 9,503,775.42

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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.