Home / 27,578,680.37-38,057,350.72-15,809,511.45

Finding the Fourth Proportional to 27,578,680.37, 38,057,350.72 and 15,809,511.45

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Solution

The fourth proportional to 27,578,680.37, 38,057,350.72 and 15,809,511.45 is: 21,816,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,680.37 : 38,057,350.72 = 15,809,511.45 : x
  2. Step 2: Convert to fraction form
    27,578,680.37/38,057,350.72 = 15,809,511.45/x
  3. Step 3: Cross multiply
    27,578,680.37x = 38,057,350.72 × 15,809,511.45
  4. Step 4: Simplify right side
    27,578,680.37x = 601,668,121,964,505.75
  5. Step 5: Solve for x
    x = 601,668,121,964,505.75/27,578,680.37
  6. Step 6: Final answer
    x = 21,816,421.74

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1.5x scale

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.