Home / 19,508,177.22-29,143,614.30-12,628,706.28

Finding the Fourth Proportional to 19,508,177.22, 29,143,614.30 and 12,628,706.28

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Solution

The fourth proportional to 19,508,177.22, 29,143,614.30 and 12,628,706.28 is: 18,866,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,177.22 : 29,143,614.30 = 12,628,706.28 : x
  2. Step 2: Convert to fraction form
    19,508,177.22/29,143,614.30 = 12,628,706.28/x
  3. Step 3: Cross multiply
    19,508,177.22x = 29,143,614.30 × 12,628,706.28
  4. Step 4: Simplify right side
    19,508,177.22x = 368,046,144,932,307.81
  5. Step 5: Solve for x
    x = 368,046,144,932,307.81/19,508,177.22
  6. Step 6: Final answer
    x = 18,866,249.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.