Home / 6,920,073.04-9,549,990.68-3,979,892.12

Finding the Fourth Proportional to 6,920,073.04, 9,549,990.68 and 3,979,892.12

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Solution

The fourth proportional to 6,920,073.04, 9,549,990.68 and 3,979,892.12 is: 5,492,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,073.04 : 9,549,990.68 = 3,979,892.12 : x
  2. Step 2: Convert to fraction form
    6,920,073.04/9,549,990.68 = 3,979,892.12/x
  3. Step 3: Cross multiply
    6,920,073.04x = 9,549,990.68 × 3,979,892.12
  4. Step 4: Simplify right side
    6,920,073.04x = 38,007,932,653,405.45
  5. Step 5: Solve for x
    x = 38,007,932,653,405.45/6,920,073.04
  6. Step 6: Final answer
    x = 5,492,417.84

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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.