Home / 7,188,359.04-9,919,985.32-3,925,198.30

Finding the Fourth Proportional to 7,188,359.04, 9,919,985.32 and 3,925,198.30

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Solution

The fourth proportional to 7,188,359.04, 9,919,985.32 and 3,925,198.30 is: 5,416,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,359.04 : 9,919,985.32 = 3,925,198.30 : x
  2. Step 2: Convert to fraction form
    7,188,359.04/9,919,985.32 = 3,925,198.30/x
  3. Step 3: Cross multiply
    7,188,359.04x = 9,919,985.32 × 3,925,198.30
  4. Step 4: Simplify right side
    7,188,359.04x = 38,937,909,514,088.95
  5. Step 5: Solve for x
    x = 38,937,909,514,088.95/7,188,359.04
  6. Step 6: Final answer
    x = 5,416,800.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.