Home / 8,979,434.21-13,465,657.08-2,912,698.91

Finding the Fourth Proportional to 8,979,434.21, 13,465,657.08 and 2,912,698.91

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Solution

The fourth proportional to 8,979,434.21, 13,465,657.08 and 2,912,698.91 is: 4,367,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,434.21 : 13,465,657.08 = 2,912,698.91 : x
  2. Step 2: Convert to fraction form
    8,979,434.21/13,465,657.08 = 2,912,698.91/x
  3. Step 3: Cross multiply
    8,979,434.21x = 13,465,657.08 × 2,912,698.91
  4. Step 4: Simplify right side
    8,979,434.21x = 39,221,404,733,013.93
  5. Step 5: Solve for x
    x = 39,221,404,733,013.93/8,979,434.21
  6. Step 6: Final answer
    x = 4,367,914.93

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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.