Home / 12,782,607.40-19,173,911.10-3,684,687.40

Finding the Fourth Proportional to 12,782,607.40, 19,173,911.10 and 3,684,687.40

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Solution

The fourth proportional to 12,782,607.40, 19,173,911.10 and 3,684,687.40 is: 5,527,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,607.40 : 19,173,911.10 = 3,684,687.40 : x
  2. Step 2: Convert to fraction form
    12,782,607.40/19,173,911.10 = 3,684,687.40/x
  3. Step 3: Cross multiply
    12,782,607.40x = 19,173,911.10 × 3,684,687.40
  4. Step 4: Simplify right side
    12,782,607.40x = 70,649,868,638,890.14
  5. Step 5: Solve for x
    x = 70,649,868,638,890.14/12,782,607.40
  6. Step 6: Final answer
    x = 5,527,031.10

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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.