Home / 37,936,578.28-52,346,905.80-21,189,254.20

Finding the Fourth Proportional to 37,936,578.28, 52,346,905.80 and 21,189,254.20

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Solution

The fourth proportional to 37,936,578.28, 52,346,905.80 and 21,189,254.20 is: 29,238,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,936,578.28 : 52,346,905.80 = 21,189,254.20 : x
  2. Step 2: Convert to fraction form
    37,936,578.28/52,346,905.80 = 21,189,254.20/x
  3. Step 3: Cross multiply
    37,936,578.28x = 52,346,905.80 × 21,189,254.20
  4. Step 4: Simplify right side
    37,936,578.28x = 1,109,191,893,579,654.25
  5. Step 5: Solve for x
    x = 1,109,191,893,579,654.25/37,936,578.28
  6. Step 6: Final answer
    x = 29,238,058.46

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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.