Home / 5,346,042.40-8,019,063.60-5,239,754.20

Finding the Fourth Proportional to 5,346,042.40, 8,019,063.60 and 5,239,754.20

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Solution

The fourth proportional to 5,346,042.40, 8,019,063.60 and 5,239,754.20 is: 7,859,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,042.40 : 8,019,063.60 = 5,239,754.20 : x
  2. Step 2: Convert to fraction form
    5,346,042.40/8,019,063.60 = 5,239,754.20/x
  3. Step 3: Cross multiply
    5,346,042.40x = 8,019,063.60 × 5,239,754.20
  4. Step 4: Simplify right side
    5,346,042.40x = 42,017,922,178,167.12
  5. Step 5: Solve for x
    x = 42,017,922,178,167.12/5,346,042.40
  6. Step 6: Final answer
    x = 7,859,631.30

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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.