Home / 9,936,031.40-14,904,047.10-8,140,941.80

Finding the Fourth Proportional to 9,936,031.40, 14,904,047.10 and 8,140,941.80

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Solution

The fourth proportional to 9,936,031.40, 14,904,047.10 and 8,140,941.80 is: 12,211,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936,031.40 : 14,904,047.10 = 8,140,941.80 : x
  2. Step 2: Convert to fraction form
    9,936,031.40/14,904,047.10 = 8,140,941.80/x
  3. Step 3: Cross multiply
    9,936,031.40x = 14,904,047.10 × 8,140,941.80
  4. Step 4: Simplify right side
    9,936,031.40x = 121,332,980,025,558.78
  5. Step 5: Solve for x
    x = 121,332,980,025,558.78/9,936,031.40
  6. Step 6: Final answer
    x = 12,211,412.70

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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.