Home / 12,136,564.38-16,748,943.03-6,979,922.94

Finding the Fourth Proportional to 12,136,564.38, 16,748,943.03 and 6,979,922.94

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Solution

The fourth proportional to 12,136,564.38, 16,748,943.03 and 6,979,922.94 is: 9,632,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,564.38 : 16,748,943.03 = 6,979,922.94 : x
  2. Step 2: Convert to fraction form
    12,136,564.38/16,748,943.03 = 6,979,922.94/x
  3. Step 3: Cross multiply
    12,136,564.38x = 16,748,943.03 × 6,979,922.94
  4. Step 4: Simplify right side
    12,136,564.38x = 116,906,331,675,850.11
  5. Step 5: Solve for x
    x = 116,906,331,675,850.11/12,136,564.38
  6. Step 6: Final answer
    x = 9,632,572.12

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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.