Home / 8,287,316.80-12,430,975.20-6,972,000.33

Finding the Fourth Proportional to 8,287,316.80, 12,430,975.20 and 6,972,000.33

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Solution

The fourth proportional to 8,287,316.80, 12,430,975.20 and 6,972,000.33 is: 10,458,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287,316.80 : 12,430,975.20 = 6,972,000.33 : x
  2. Step 2: Convert to fraction form
    8,287,316.80/12,430,975.20 = 6,972,000.33/x
  3. Step 3: Cross multiply
    8,287,316.80x = 12,430,975.20 × 6,972,000.33
  4. Step 4: Simplify right side
    8,287,316.80x = 86,668,763,134,466.94
  5. Step 5: Solve for x
    x = 86,668,763,134,466.94/8,287,316.80
  6. Step 6: Final answer
    x = 10,458,000.49

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Similar ratio
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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.