Home / 8,979,008.70-13,470,481.35-2,912,708.10

Finding the Fourth Proportional to 8,979,008.70, 13,470,481.35 and 2,912,708.10

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Solution

The fourth proportional to 8,979,008.70, 13,470,481.35 and 2,912,708.10 is: 4,369,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,008.70 : 13,470,481.35 = 2,912,708.10 : x
  2. Step 2: Convert to fraction form
    8,979,008.70/13,470,481.35 = 2,912,708.10/x
  3. Step 3: Cross multiply
    8,979,008.70x = 13,470,481.35 × 2,912,708.10
  4. Step 4: Simplify right side
    8,979,008.70x = 39,235,580,139,043.94
  5. Step 5: Solve for x
    x = 39,235,580,139,043.94/8,979,008.70
  6. Step 6: Final answer
    x = 4,369,700.65

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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.