Home / 7,772,712.11-11,643,453.95-3,870,412.88

Finding the Fourth Proportional to 7,772,712.11, 11,643,453.95 and 3,870,412.88

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Solution

The fourth proportional to 7,772,712.11, 11,643,453.95 and 3,870,412.88 is: 5,797,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,712.11 : 11,643,453.95 = 3,870,412.88 : x
  2. Step 2: Convert to fraction form
    7,772,712.11/11,643,453.95 = 3,870,412.88/x
  3. Step 3: Cross multiply
    7,772,712.11x = 11,643,453.95 × 3,870,412.88
  4. Step 4: Simplify right side
    7,772,712.11x = 45,064,974,058,197.55
  5. Step 5: Solve for x
    x = 45,064,974,058,197.55/7,772,712.11
  6. Step 6: Final answer
    x = 5,797,844.23

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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.