Home / 22,143,034.40-33,214,551.60-18,615,840.80

Finding the Fourth Proportional to 22,143,034.40, 33,214,551.60 and 18,615,840.80

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Solution

The fourth proportional to 22,143,034.40, 33,214,551.60 and 18,615,840.80 is: 27,923,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,034.40 : 33,214,551.60 = 18,615,840.80 : x
  2. Step 2: Convert to fraction form
    22,143,034.40/33,214,551.60 = 18,615,840.80/x
  3. Step 3: Cross multiply
    22,143,034.40x = 33,214,551.60 × 18,615,840.80
  4. Step 4: Simplify right side
    22,143,034.40x = 618,316,804,828,985.38
  5. Step 5: Solve for x
    x = 618,316,804,828,985.38/22,143,034.40
  6. Step 6: Final answer
    x = 27,923,761.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.