Home / 18,847,734.08-28,271,674.89-12,456,565.56

Finding the Fourth Proportional to 18,847,734.08, 28,271,674.89 and 12,456,565.56

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Solution

The fourth proportional to 18,847,734.08, 28,271,674.89 and 12,456,565.56 is: 18,684,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847,734.08 : 28,271,674.89 = 12,456,565.56 : x
  2. Step 2: Convert to fraction form
    18,847,734.08/28,271,674.89 = 12,456,565.56/x
  3. Step 3: Cross multiply
    18,847,734.08x = 28,271,674.89 × 12,456,565.56
  4. Step 4: Simplify right side
    18,847,734.08x = 352,167,971,758,290.81
  5. Step 5: Solve for x
    x = 352,167,971,758,290.81/18,847,734.08
  6. Step 6: Final answer
    x = 18,684,897.10

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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.