Home / 7,650,057.75-10,557,311.95-4,212,421.80

Finding the Fourth Proportional to 7,650,057.75, 10,557,311.95 and 4,212,421.80

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Solution

The fourth proportional to 7,650,057.75, 10,557,311.95 and 4,212,421.80 is: 5,813,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650,057.75 : 10,557,311.95 = 4,212,421.80 : x
  2. Step 2: Convert to fraction form
    7,650,057.75/10,557,311.95 = 4,212,421.80/x
  3. Step 3: Cross multiply
    7,650,057.75x = 10,557,311.95 × 4,212,421.80
  4. Step 4: Simplify right side
    7,650,057.75x = 44,471,851,007,580.51
  5. Step 5: Solve for x
    x = 44,471,851,007,580.51/7,650,057.75
  6. Step 6: Final answer
    x = 5,813,269.97

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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.