Home / 9,133,131.40-13,699,697.10-8,573,259.40

Finding the Fourth Proportional to 9,133,131.40, 13,699,697.10 and 8,573,259.40

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Solution

The fourth proportional to 9,133,131.40, 13,699,697.10 and 8,573,259.40 is: 12,859,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133,131.40 : 13,699,697.10 = 8,573,259.40 : x
  2. Step 2: Convert to fraction form
    9,133,131.40/13,699,697.10 = 8,573,259.40/x
  3. Step 3: Cross multiply
    9,133,131.40x = 13,699,697.10 × 8,573,259.40
  4. Step 4: Simplify right side
    9,133,131.40x = 117,451,056,939,727.73
  5. Step 5: Solve for x
    x = 117,451,056,939,727.73/9,133,131.40
  6. Step 6: Final answer
    x = 12,859,889.10

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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.