Home / 6,145,443.51-8,480,665.26-3,392,130.57

Finding the Fourth Proportional to 6,145,443.51, 8,480,665.26 and 3,392,130.57

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Solution

The fourth proportional to 6,145,443.51, 8,480,665.26 and 3,392,130.57 is: 4,681,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,443.51 : 8,480,665.26 = 3,392,130.57 : x
  2. Step 2: Convert to fraction form
    6,145,443.51/8,480,665.26 = 3,392,130.57/x
  3. Step 3: Cross multiply
    6,145,443.51x = 8,480,665.26 × 3,392,130.57
  4. Step 4: Simplify right side
    6,145,443.51x = 28,767,523,882,383.00
  5. Step 5: Solve for x
    x = 28,767,523,882,383.00/6,145,443.51
  6. Step 6: Final answer
    x = 4,681,114.36

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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.