Home / 8,426,981.21-12,635,157.40-4,643,121.29

Finding the Fourth Proportional to 8,426,981.21, 12,635,157.40 and 4,643,121.29

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Solution

The fourth proportional to 8,426,981.21, 12,635,157.40 and 4,643,121.29 is: 6,961,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426,981.21 : 12,635,157.40 = 4,643,121.29 : x
  2. Step 2: Convert to fraction form
    8,426,981.21/12,635,157.40 = 4,643,121.29/x
  3. Step 3: Cross multiply
    8,426,981.21x = 12,635,157.40 × 4,643,121.29
  4. Step 4: Simplify right side
    8,426,981.21x = 58,666,568,251,657.46
  5. Step 5: Solve for x
    x = 58,666,568,251,657.46/8,426,981.21
  6. Step 6: Final answer
    x = 6,961,753.78

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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.