Home / 10,476,045.20-15,714,067.80-7,116,813.20

Finding the Fourth Proportional to 10,476,045.20, 15,714,067.80 and 7,116,813.20

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Solution

The fourth proportional to 10,476,045.20, 15,714,067.80 and 7,116,813.20 is: 10,675,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476,045.20 : 15,714,067.80 = 7,116,813.20 : x
  2. Step 2: Convert to fraction form
    10,476,045.20/15,714,067.80 = 7,116,813.20/x
  3. Step 3: Cross multiply
    10,476,045.20x = 15,714,067.80 × 7,116,813.20
  4. Step 4: Simplify right side
    10,476,045.20x = 111,834,085,144,734.97
  5. Step 5: Solve for x
    x = 111,834,085,144,734.97/10,476,045.20
  6. Step 6: Final answer
    x = 10,675,219.80

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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.