Home / 13,387,717.67-20,069,798.69-5,306,365.79

Finding the Fourth Proportional to 13,387,717.67, 20,069,798.69 and 5,306,365.79

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Solution

The fourth proportional to 13,387,717.67, 20,069,798.69 and 5,306,365.79 is: 7,954,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,717.67 : 20,069,798.69 = 5,306,365.79 : x
  2. Step 2: Convert to fraction form
    13,387,717.67/20,069,798.69 = 5,306,365.79/x
  3. Step 3: Cross multiply
    13,387,717.67x = 20,069,798.69 × 5,306,365.79
  4. Step 4: Simplify right side
    13,387,717.67x = 106,497,693,168,981.48
  5. Step 5: Solve for x
    x = 106,497,693,168,981.48/13,387,717.67
  6. Step 6: Final answer
    x = 7,954,880.42

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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.