Home / 9,178,819.90-13,778,836.80-4,927,291.90

Finding the Fourth Proportional to 9,178,819.90, 13,778,836.80 and 4,927,291.90

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Solution

The fourth proportional to 9,178,819.90, 13,778,836.80 and 4,927,291.90 is: 7,396,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,819.90 : 13,778,836.80 = 4,927,291.90 : x
  2. Step 2: Convert to fraction form
    9,178,819.90/13,778,836.80 = 4,927,291.90/x
  3. Step 3: Cross multiply
    9,178,819.90x = 13,778,836.80 × 4,927,291.90
  4. Step 4: Simplify right side
    9,178,819.90x = 67,892,350,956,061.93
  5. Step 5: Solve for x
    x = 67,892,350,956,061.93/9,178,819.90
  6. Step 6: Final answer
    x = 7,396,631.78

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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.