Home / 12,742,042.50-17,584,173.09-6,940,872.18

Finding the Fourth Proportional to 12,742,042.50, 17,584,173.09 and 6,940,872.18

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Solution

The fourth proportional to 12,742,042.50, 17,584,173.09 and 6,940,872.18 is: 9,578,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,042.50 : 17,584,173.09 = 6,940,872.18 : x
  2. Step 2: Convert to fraction form
    12,742,042.50/17,584,173.09 = 6,940,872.18/x
  3. Step 3: Cross multiply
    12,742,042.50x = 17,584,173.09 × 6,940,872.18
  4. Step 4: Simplify right side
    12,742,042.50x = 122,049,497,808,685.62
  5. Step 5: Solve for x
    x = 122,049,497,808,685.62/12,742,042.50
  6. Step 6: Final answer
    x = 9,578,487.74

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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.