Home / 7,019,200.80-10,528,801.20-3,240,064.80

Finding the Fourth Proportional to 7,019,200.80, 10,528,801.20 and 3,240,064.80

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Solution

The fourth proportional to 7,019,200.80, 10,528,801.20 and 3,240,064.80 is: 4,860,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,200.80 : 10,528,801.20 = 3,240,064.80 : x
  2. Step 2: Convert to fraction form
    7,019,200.80/10,528,801.20 = 3,240,064.80/x
  3. Step 3: Cross multiply
    7,019,200.80x = 10,528,801.20 × 3,240,064.80
  4. Step 4: Simplify right side
    7,019,200.80x = 34,113,998,154,317.75
  5. Step 5: Solve for x
    x = 34,113,998,154,317.75/7,019,200.80
  6. Step 6: Final answer
    x = 4,860,097.20

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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.