Home / 18,717,820.20-28,076,730.30-6,587,187.30

Finding the Fourth Proportional to 18,717,820.20, 28,076,730.30 and 6,587,187.30

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Solution

The fourth proportional to 18,717,820.20, 28,076,730.30 and 6,587,187.30 is: 9,880,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,820.20 : 28,076,730.30 = 6,587,187.30 : x
  2. Step 2: Convert to fraction form
    18,717,820.20/28,076,730.30 = 6,587,187.30/x
  3. Step 3: Cross multiply
    18,717,820.20x = 28,076,730.30 × 6,587,187.30
  4. Step 4: Simplify right side
    18,717,820.20x = 184,946,681,257,685.19
  5. Step 5: Solve for x
    x = 184,946,681,257,685.19/18,717,820.20
  6. Step 6: Final answer
    x = 9,880,780.95

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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.