Home / 6,143,637.17-8,478,222.90-3,427,383.17

Finding the Fourth Proportional to 6,143,637.17, 8,478,222.90 and 3,427,383.17

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Solution

The fourth proportional to 6,143,637.17, 8,478,222.90 and 3,427,383.17 is: 4,729,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,637.17 : 8,478,222.90 = 3,427,383.17 : x
  2. Step 2: Convert to fraction form
    6,143,637.17/8,478,222.90 = 3,427,383.17/x
  3. Step 3: Cross multiply
    6,143,637.17x = 8,478,222.90 × 3,427,383.17
  4. Step 4: Simplify right side
    6,143,637.17x = 29,058,118,478,968.59
  5. Step 5: Solve for x
    x = 29,058,118,478,968.59/6,143,637.17
  6. Step 6: Final answer
    x = 4,729,790.79

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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.