Home / 13,465,688.88-18,583,109.22-7,963,780.08

Finding the Fourth Proportional to 13,465,688.88, 18,583,109.22 and 7,963,780.08

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Solution

The fourth proportional to 13,465,688.88, 18,583,109.22 and 7,963,780.08 is: 10,990,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,688.88 : 18,583,109.22 = 7,963,780.08 : x
  2. Step 2: Convert to fraction form
    13,465,688.88/18,583,109.22 = 7,963,780.08/x
  3. Step 3: Cross multiply
    13,465,688.88x = 18,583,109.22 × 7,963,780.08
  4. Step 4: Simplify right side
    13,465,688.88x = 147,991,794,964,333.12
  5. Step 5: Solve for x
    x = 147,991,794,964,333.12/13,465,688.88
  6. Step 6: Final answer
    x = 10,990,287.71

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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.