Home / 12,742,045.75-17,584,177.58-6,940,875.43

Finding the Fourth Proportional to 12,742,045.75, 17,584,177.58 and 6,940,875.43

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Solution

The fourth proportional to 12,742,045.75, 17,584,177.58 and 6,940,875.43 is: 9,578,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,045.75 : 17,584,177.58 = 6,940,875.43 : x
  2. Step 2: Convert to fraction form
    12,742,045.75/17,584,177.58 = 6,940,875.43/x
  3. Step 3: Cross multiply
    12,742,045.75x = 17,584,177.58 × 6,940,875.43
  4. Step 4: Simplify right side
    12,742,045.75x = 122,049,586,121,778.84
  5. Step 5: Solve for x
    x = 122,049,586,121,778.84/12,742,045.75
  6. Step 6: Final answer
    x = 9,578,492.22

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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.