Home / 18,665,938.40-27,998,907.60-14,886,802.40

Finding the Fourth Proportional to 18,665,938.40, 27,998,907.60 and 14,886,802.40

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Solution

The fourth proportional to 18,665,938.40, 27,998,907.60 and 14,886,802.40 is: 22,330,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,938.40 : 27,998,907.60 = 14,886,802.40 : x
  2. Step 2: Convert to fraction form
    18,665,938.40/27,998,907.60 = 14,886,802.40/x
  3. Step 3: Cross multiply
    18,665,938.40x = 27,998,907.60 × 14,886,802.40
  4. Step 4: Simplify right side
    18,665,938.40x = 416,814,204,857,058.25
  5. Step 5: Solve for x
    x = 416,814,204,857,058.25/18,665,938.40
  6. Step 6: Final answer
    x = 22,330,203.60

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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.