Home / 12,611,310.04-18,919,621.86-4,090,981.24

Finding the Fourth Proportional to 12,611,310.04, 18,919,621.86 and 4,090,981.24

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Solution

The fourth proportional to 12,611,310.04, 18,919,621.86 and 4,090,981.24 is: 6,137,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,310.04 : 18,919,621.86 = 4,090,981.24 : x
  2. Step 2: Convert to fraction form
    12,611,310.04/18,919,621.86 = 4,090,981.24/x
  3. Step 3: Cross multiply
    12,611,310.04x = 18,919,621.86 × 4,090,981.24
  4. Step 4: Simplify right side
    12,611,310.04x = 77,399,818,097,153.91
  5. Step 5: Solve for x
    x = 77,399,818,097,153.91/12,611,310.04
  6. Step 6: Final answer
    x = 6,137,333.70

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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.