Home / 13,142,711.40-19,714,067.10-4,621,940.70

Finding the Fourth Proportional to 13,142,711.40, 19,714,067.10 and 4,621,940.70

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Solution

The fourth proportional to 13,142,711.40, 19,714,067.10 and 4,621,940.70 is: 6,932,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,711.40 : 19,714,067.10 = 4,621,940.70 : x
  2. Step 2: Convert to fraction form
    13,142,711.40/19,714,067.10 = 4,621,940.70/x
  3. Step 3: Cross multiply
    13,142,711.40x = 19,714,067.10 × 4,621,940.70
  4. Step 4: Simplify right side
    13,142,711.40x = 91,117,249,092,020.98
  5. Step 5: Solve for x
    x = 91,117,249,092,020.98/13,142,711.40
  6. Step 6: Final answer
    x = 6,932,911.05

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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.