Home / 7,886,068.80-11,829,103.20-7,407,771.90

Finding the Fourth Proportional to 7,886,068.80, 11,829,103.20 and 7,407,771.90

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Solution

The fourth proportional to 7,886,068.80, 11,829,103.20 and 7,407,771.90 is: 11,111,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,068.80 : 11,829,103.20 = 7,407,771.90 : x
  2. Step 2: Convert to fraction form
    7,886,068.80/11,829,103.20 = 7,407,771.90/x
  3. Step 3: Cross multiply
    7,886,068.80x = 11,829,103.20 × 7,407,771.90
  4. Step 4: Simplify right side
    7,886,068.80x = 87,627,298,287,160.08
  5. Step 5: Solve for x
    x = 87,627,298,287,160.08/7,886,068.80
  6. Step 6: Final answer
    x = 11,111,657.85

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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.