Home / 12,455,653.46-17,188,812.54-6,949,029.45

Finding the Fourth Proportional to 12,455,653.46, 17,188,812.54 and 6,949,029.45

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Solution

The fourth proportional to 12,455,653.46, 17,188,812.54 and 6,949,029.45 is: 9,589,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,653.46 : 17,188,812.54 = 6,949,029.45 : x
  2. Step 2: Convert to fraction form
    12,455,653.46/17,188,812.54 = 6,949,029.45/x
  3. Step 3: Cross multiply
    12,455,653.46x = 17,188,812.54 × 6,949,029.45
  4. Step 4: Simplify right side
    12,455,653.46x = 119,445,564,550,989.30
  5. Step 5: Solve for x
    x = 119,445,564,550,989.30/12,455,653.46
  6. Step 6: Final answer
    x = 9,589,666.65

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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.