Home / 13,705,911.48-18,914,180.08-7,509,973.62

Finding the Fourth Proportional to 13,705,911.48, 18,914,180.08 and 7,509,973.62

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Solution

The fourth proportional to 13,705,911.48, 18,914,180.08 and 7,509,973.62 is: 10,363,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705,911.48 : 18,914,180.08 = 7,509,973.62 : x
  2. Step 2: Convert to fraction form
    13,705,911.48/18,914,180.08 = 7,509,973.62/x
  3. Step 3: Cross multiply
    13,705,911.48x = 18,914,180.08 × 7,509,973.62
  4. Step 4: Simplify right side
    13,705,911.48x = 142,044,993,510,963.94
  5. Step 5: Solve for x
    x = 142,044,993,510,963.94/13,705,911.48
  6. Step 6: Final answer
    x = 10,363,775.78

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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.