Home / 12,688,024.62-17,509,491.72-6,886,807.56

Finding the Fourth Proportional to 12,688,024.62, 17,509,491.72 and 6,886,807.56

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Solution

The fourth proportional to 12,688,024.62, 17,509,491.72 and 6,886,807.56 is: 9,503,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,024.62 : 17,509,491.72 = 6,886,807.56 : x
  2. Step 2: Convert to fraction form
    12,688,024.62/17,509,491.72 = 6,886,807.56/x
  3. Step 3: Cross multiply
    12,688,024.62x = 17,509,491.72 × 6,886,807.56
  4. Step 4: Simplify right side
    12,688,024.62x = 120,584,499,949,053.39
  5. Step 5: Solve for x
    x = 120,584,499,949,053.39/12,688,024.62
  6. Step 6: Final answer
    x = 9,503,804.06

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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.