Home / 18,715,713.12-28,076,244.36-5,762,957.76

Finding the Fourth Proportional to 18,715,713.12, 28,076,244.36 and 5,762,957.76

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Solution

The fourth proportional to 18,715,713.12, 28,076,244.36 and 5,762,957.76 is: 8,645,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,713.12 : 28,076,244.36 = 5,762,957.76 : x
  2. Step 2: Convert to fraction form
    18,715,713.12/28,076,244.36 = 5,762,957.76/x
  3. Step 3: Cross multiply
    18,715,713.12x = 28,076,244.36 × 5,762,957.76
  4. Step 4: Simplify right side
    18,715,713.12x = 161,802,210,306,118.22
  5. Step 5: Solve for x
    x = 161,802,210,306,118.22/18,715,713.12
  6. Step 6: Final answer
    x = 8,645,260.23

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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.