Home / 9,072,749.40-13,609,124.10-8,009,867.40

Finding the Fourth Proportional to 9,072,749.40, 13,609,124.10 and 8,009,867.40

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Solution

The fourth proportional to 9,072,749.40, 13,609,124.10 and 8,009,867.40 is: 12,014,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,749.40 : 13,609,124.10 = 8,009,867.40 : x
  2. Step 2: Convert to fraction form
    9,072,749.40/13,609,124.10 = 8,009,867.40/x
  3. Step 3: Cross multiply
    9,072,749.40x = 13,609,124.10 × 8,009,867.40
  4. Step 4: Simplify right side
    9,072,749.40x = 109,007,279,471,144.34
  5. Step 5: Solve for x
    x = 109,007,279,471,144.34/9,072,749.40
  6. Step 6: Final answer
    x = 12,014,801.10

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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.