Home / 11,754,643.20-17,631,964.80-3,118,726.95

Finding the Fourth Proportional to 11,754,643.20, 17,631,964.80 and 3,118,726.95

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Solution

The fourth proportional to 11,754,643.20, 17,631,964.80 and 3,118,726.95 is: 4,678,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,643.20 : 17,631,964.80 = 3,118,726.95 : x
  2. Step 2: Convert to fraction form
    11,754,643.20/17,631,964.80 = 3,118,726.95/x
  3. Step 3: Cross multiply
    11,754,643.20x = 17,631,964.80 × 3,118,726.95
  4. Step 4: Simplify right side
    11,754,643.20x = 54,989,283,803,211.37
  5. Step 5: Solve for x
    x = 54,989,283,803,211.37/11,754,643.20
  6. Step 6: Final answer
    x = 4,678,090.43

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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.