Home / 13,061,048.98-18,023,787.88-7,180,640.36

Finding the Fourth Proportional to 13,061,048.98, 18,023,787.88 and 7,180,640.36

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Solution

The fourth proportional to 13,061,048.98, 18,023,787.88 and 7,180,640.36 is: 9,909,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061,048.98 : 18,023,787.88 = 7,180,640.36 : x
  2. Step 2: Convert to fraction form
    13,061,048.98/18,023,787.88 = 7,180,640.36/x
  3. Step 3: Cross multiply
    13,061,048.98x = 18,023,787.88 × 7,180,640.36
  4. Step 4: Simplify right side
    13,061,048.98x = 129,422,338,691,206.83
  5. Step 5: Solve for x
    x = 129,422,338,691,206.83/13,061,048.98
  6. Step 6: Final answer
    x = 9,909,030.96

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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.