Home / 12,769,833.60-19,164,081.60-8,990,697.60

Finding the Fourth Proportional to 12,769,833.60, 19,164,081.60 and 8,990,697.60

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Solution

The fourth proportional to 12,769,833.60, 19,164,081.60 and 8,990,697.60 is: 13,492,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,833.60 : 19,164,081.60 = 8,990,697.60 : x
  2. Step 2: Convert to fraction form
    12,769,833.60/19,164,081.60 = 8,990,697.60/x
  3. Step 3: Cross multiply
    12,769,833.60x = 19,164,081.60 × 8,990,697.60
  4. Step 4: Simplify right side
    12,769,833.60x = 172,298,462,447,324.16
  5. Step 5: Solve for x
    x = 172,298,462,447,324.16/12,769,833.60
  6. Step 6: Final answer
    x = 13,492,616.10

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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.