Home / 12,611,309.04-18,919,620.36-4,090,980.24

Finding the Fourth Proportional to 12,611,309.04, 18,919,620.36 and 4,090,980.24

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Solution

The fourth proportional to 12,611,309.04, 18,919,620.36 and 4,090,980.24 is: 6,137,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,309.04 : 18,919,620.36 = 4,090,980.24 : x
  2. Step 2: Convert to fraction form
    12,611,309.04/18,919,620.36 = 4,090,980.24/x
  3. Step 3: Cross multiply
    12,611,309.04x = 18,919,620.36 × 4,090,980.24
  4. Step 4: Simplify right side
    12,611,309.04x = 77,399,793,041,061.69
  5. Step 5: Solve for x
    x = 77,399,793,041,061.69/12,611,309.04
  6. Step 6: Final answer
    x = 6,137,332.20

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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.