Home / 18,374,074.20-27,561,111.30-12,634,511.40

Finding the Fourth Proportional to 18,374,074.20, 27,561,111.30 and 12,634,511.40

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Solution

The fourth proportional to 18,374,074.20, 27,561,111.30 and 12,634,511.40 is: 18,951,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374,074.20 : 27,561,111.30 = 12,634,511.40 : x
  2. Step 2: Convert to fraction form
    18,374,074.20/27,561,111.30 = 12,634,511.40/x
  3. Step 3: Cross multiply
    18,374,074.20x = 27,561,111.30 × 12,634,511.40
  4. Step 4: Simplify right side
    18,374,074.20x = 348,221,174,916,518.81
  5. Step 5: Solve for x
    x = 348,221,174,916,518.81/18,374,074.20
  6. Step 6: Final answer
    x = 18,951,767.10

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1.5x scale

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.