Home / 6,849,415.28-9,452,345.69-3,909,173.33

Finding the Fourth Proportional to 6,849,415.28, 9,452,345.69 and 3,909,173.33

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Solution

The fourth proportional to 6,849,415.28, 9,452,345.69 and 3,909,173.33 is: 5,394,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,415.28 : 9,452,345.69 = 3,909,173.33 : x
  2. Step 2: Convert to fraction form
    6,849,415.28/9,452,345.69 = 3,909,173.33/x
  3. Step 3: Cross multiply
    6,849,415.28x = 9,452,345.69 × 3,909,173.33
  4. Step 4: Simplify right side
    6,849,415.28x = 36,950,857,710,692.25
  5. Step 5: Solve for x
    x = 36,950,857,710,692.25/6,849,415.28
  6. Step 6: Final answer
    x = 5,394,746.29

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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.