Home / 18,863,538.16-28,295,271.95-5,910,680.44

Finding the Fourth Proportional to 18,863,538.16, 28,295,271.95 and 5,910,680.44

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Solution

The fourth proportional to 18,863,538.16, 28,295,271.95 and 5,910,680.44 is: 8,866,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863,538.16 : 28,295,271.95 = 5,910,680.44 : x
  2. Step 2: Convert to fraction form
    18,863,538.16/28,295,271.95 = 5,910,680.44/x
  3. Step 3: Cross multiply
    18,863,538.16x = 28,295,271.95 × 5,910,680.44
  4. Step 4: Simplify right side
    18,863,538.16x = 167,244,310,398,903.69
  5. Step 5: Solve for x
    x = 167,244,310,398,903.69/18,863,538.16
  6. Step 6: Final answer
    x = 8,866,009.60

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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.