Home / 19,327,285.40-28,990,928.12-5,864,113.40

Finding the Fourth Proportional to 19,327,285.40, 28,990,928.12 and 5,864,113.40

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Solution

The fourth proportional to 19,327,285.40, 28,990,928.12 and 5,864,113.40 is: 8,796,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327,285.40 : 28,990,928.12 = 5,864,113.40 : x
  2. Step 2: Convert to fraction form
    19,327,285.40/28,990,928.12 = 5,864,113.40/x
  3. Step 3: Cross multiply
    19,327,285.40x = 28,990,928.12 × 5,864,113.40
  4. Step 4: Simplify right side
    19,327,285.40x = 170,006,089,892,653.56
  5. Step 5: Solve for x
    x = 170,006,089,892,653.56/19,327,285.40
  6. Step 6: Final answer
    x = 8,796,170.10

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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.