Home / 19,967,352.89-27,355,142.66-19,220,690.61

Finding the Fourth Proportional to 19,967,352.89, 27,355,142.66 and 19,220,690.61

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Solution

The fourth proportional to 19,967,352.89, 27,355,142.66 and 19,220,690.61 is: 26,332,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967,352.89 : 27,355,142.66 = 19,220,690.61 : x
  2. Step 2: Convert to fraction form
    19,967,352.89/27,355,142.66 = 19,220,690.61/x
  3. Step 3: Cross multiply
    19,967,352.89x = 27,355,142.66 × 19,220,690.61
  4. Step 4: Simplify right side
    19,967,352.89x = 525,784,733,564,169
  5. Step 5: Solve for x
    x = 525,784,733,564,169/19,967,352.89
  6. Step 6: Final answer
    x = 26,332,220.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.