Home / 7,250,920.50-10,006,070.60-3,987,736.42

Finding the Fourth Proportional to 7,250,920.50, 10,006,070.60 and 3,987,736.42

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Solution

The fourth proportional to 7,250,920.50, 10,006,070.60 and 3,987,736.42 is: 5,502,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,920.50 : 10,006,070.60 = 3,987,736.42 : x
  2. Step 2: Convert to fraction form
    7,250,920.50/10,006,070.60 = 3,987,736.42/x
  3. Step 3: Cross multiply
    7,250,920.50x = 10,006,070.60 × 3,987,736.42
  4. Step 4: Simplify right side
    7,250,920.50x = 39,901,572,082,742.22
  5. Step 5: Solve for x
    x = 39,901,572,082,742.22/7,250,920.50
  6. Step 6: Final answer
    x = 5,502,966.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.