Home / 9,072,762.90-13,609,144.35-8,009,880.90

Finding the Fourth Proportional to 9,072,762.90, 13,609,144.35 and 8,009,880.90

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Solution

The fourth proportional to 9,072,762.90, 13,609,144.35 and 8,009,880.90 is: 12,014,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,762.90 : 13,609,144.35 = 8,009,880.90 : x
  2. Step 2: Convert to fraction form
    9,072,762.90/13,609,144.35 = 8,009,880.90/x
  3. Step 3: Cross multiply
    9,072,762.90x = 13,609,144.35 × 8,009,880.90
  4. Step 4: Simplify right side
    9,072,762.90x = 109,007,625,394,407.92
  5. Step 5: Solve for x
    x = 109,007,625,394,407.92/9,072,762.90
  6. Step 6: Final answer
    x = 12,014,821.35

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Double scale
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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.