Home / 8,696,521.80-13,044,782.70-5,505,251.40

Finding the Fourth Proportional to 8,696,521.80, 13,044,782.70 and 5,505,251.40

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Solution

The fourth proportional to 8,696,521.80, 13,044,782.70 and 5,505,251.40 is: 8,257,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,521.80 : 13,044,782.70 = 5,505,251.40 : x
  2. Step 2: Convert to fraction form
    8,696,521.80/13,044,782.70 = 5,505,251.40/x
  3. Step 3: Cross multiply
    8,696,521.80x = 13,044,782.70 × 5,505,251.40
  4. Step 4: Simplify right side
    8,696,521.80x = 71,814,808,221,870.78
  5. Step 5: Solve for x
    x = 71,814,808,221,870.78/8,696,521.80
  6. Step 6: Final answer
    x = 8,257,877.10

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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.