Home / 7,984,208.30-11,976,312.45-4,388,124.20

Finding the Fourth Proportional to 7,984,208.30, 11,976,312.45 and 4,388,124.20

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Solution

The fourth proportional to 7,984,208.30, 11,976,312.45 and 4,388,124.20 is: 6,582,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,208.30 : 11,976,312.45 = 4,388,124.20 : x
  2. Step 2: Convert to fraction form
    7,984,208.30/11,976,312.45 = 4,388,124.20/x
  3. Step 3: Cross multiply
    7,984,208.30x = 11,976,312.45 × 4,388,124.20
  4. Step 4: Simplify right side
    7,984,208.30x = 52,553,546,488,606.29
  5. Step 5: Solve for x
    x = 52,553,546,488,606.29/7,984,208.30
  6. Step 6: Final answer
    x = 6,582,186.30

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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.