Home / 9,178,817.15-13,778,832.68-4,927,289.15

Finding the Fourth Proportional to 9,178,817.15, 13,778,832.68 and 4,927,289.15

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Solution

The fourth proportional to 9,178,817.15, 13,778,832.68 and 4,927,289.15 is: 7,396,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,817.15 : 13,778,832.68 = 4,927,289.15 : x
  2. Step 2: Convert to fraction form
    9,178,817.15/13,778,832.68 = 4,927,289.15/x
  3. Step 3: Cross multiply
    9,178,817.15x = 13,778,832.68 × 4,927,289.15
  4. Step 4: Simplify right side
    9,178,817.15x = 67,892,292,763,829.42
  5. Step 5: Solve for x
    x = 67,892,292,763,829.42/9,178,817.15
  6. Step 6: Final answer
    x = 7,396,627.65

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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.