Home / 18,374,140.20-27,561,210.30-12,634,577.40

Finding the Fourth Proportional to 18,374,140.20, 27,561,210.30 and 12,634,577.40

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Solution

The fourth proportional to 18,374,140.20, 27,561,210.30 and 12,634,577.40 is: 18,951,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374,140.20 : 27,561,210.30 = 12,634,577.40 : x
  2. Step 2: Convert to fraction form
    18,374,140.20/27,561,210.30 = 12,634,577.40/x
  3. Step 3: Cross multiply
    18,374,140.20x = 27,561,210.30 × 12,634,577.40
  4. Step 4: Simplify right side
    18,374,140.20x = 348,224,244,773,027.25
  5. Step 5: Solve for x
    x = 348,224,244,773,027.25/18,374,140.20
  6. Step 6: Final answer
    x = 18,951,866.10

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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.