Home / 8,684,213.45-11,985,649.52-4,817,980.17

Finding the Fourth Proportional to 8,684,213.45, 11,985,649.52 and 4,817,980.17

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Solution

The fourth proportional to 8,684,213.45, 11,985,649.52 and 4,817,980.17 is: 6,649,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684,213.45 : 11,985,649.52 = 4,817,980.17 : x
  2. Step 2: Convert to fraction form
    8,684,213.45/11,985,649.52 = 4,817,980.17/x
  3. Step 3: Cross multiply
    8,684,213.45x = 11,985,649.52 × 4,817,980.17
  4. Step 4: Simplify right side
    8,684,213.45x = 57,746,621,687,840.12
  5. Step 5: Solve for x
    x = 57,746,621,687,840.12/8,684,213.45
  6. Step 6: Final answer
    x = 6,649,608.75

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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.