Home / 8,579,258.16-12,868,876.44-2,189,510.52

Finding the Fourth Proportional to 8,579,258.16, 12,868,876.44 and 2,189,510.52

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Solution

The fourth proportional to 8,579,258.16, 12,868,876.44 and 2,189,510.52 is: 3,284,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,258.16 : 12,868,876.44 = 2,189,510.52 : x
  2. Step 2: Convert to fraction form
    8,579,258.16/12,868,876.44 = 2,189,510.52/x
  3. Step 3: Cross multiply
    8,579,258.16x = 12,868,876.44 × 2,189,510.52
  4. Step 4: Simplify right side
    8,579,258.16x = 28,176,540,345,960.15
  5. Step 5: Solve for x
    x = 28,176,540,345,960.15/8,579,258.16
  6. Step 6: Final answer
    x = 3,284,263.02

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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.