Home / 8,353,670.60-12,530,505.90-7,849,785.80

Finding the Fourth Proportional to 8,353,670.60, 12,530,505.90 and 7,849,785.80

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Solution

The fourth proportional to 8,353,670.60, 12,530,505.90 and 7,849,785.80 is: 11,774,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,670.60 : 12,530,505.90 = 7,849,785.80 : x
  2. Step 2: Convert to fraction form
    8,353,670.60/12,530,505.90 = 7,849,785.80/x
  3. Step 3: Cross multiply
    8,353,670.60x = 12,530,505.90 × 7,849,785.80
  4. Step 4: Simplify right side
    8,353,670.60x = 98,361,787,280,636.22
  5. Step 5: Solve for x
    x = 98,361,787,280,636.22/8,353,670.60
  6. Step 6: Final answer
    x = 11,774,678.70

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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.