Home / 5,346,053.40-8,019,080.10-5,239,765.20

Finding the Fourth Proportional to 5,346,053.40, 8,019,080.10 and 5,239,765.20

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Solution

The fourth proportional to 5,346,053.40, 8,019,080.10 and 5,239,765.20 is: 7,859,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,053.40 : 8,019,080.10 = 5,239,765.20 : x
  2. Step 2: Convert to fraction form
    5,346,053.40/8,019,080.10 = 5,239,765.20/x
  3. Step 3: Cross multiply
    5,346,053.40x = 8,019,080.10 × 5,239,765.20
  4. Step 4: Simplify right side
    5,346,053.40x = 42,018,096,843,992.52
  5. Step 5: Solve for x
    x = 42,018,096,843,992.52/5,346,053.40
  6. Step 6: Final answer
    x = 7,859,647.80

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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.