Home / 7,220,963.70-10,828,821.15-2,428,809.30

Finding the Fourth Proportional to 7,220,963.70, 10,828,821.15 and 2,428,809.30

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Solution

The fourth proportional to 7,220,963.70, 10,828,821.15 and 2,428,809.30 is: 3,642,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,963.70 : 10,828,821.15 = 2,428,809.30 : x
  2. Step 2: Convert to fraction form
    7,220,963.70/10,828,821.15 = 2,428,809.30/x
  3. Step 3: Cross multiply
    7,220,963.70x = 10,828,821.15 × 2,428,809.30
  4. Step 4: Simplify right side
    7,220,963.70x = 26,301,141,517,156.70
  5. Step 5: Solve for x
    x = 26,301,141,517,156.70/7,220,963.70
  6. Step 6: Final answer
    x = 3,642,331.22

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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.