Home / 10,865,978.80-16,298,968.20-2,887,802.80

Finding the Fourth Proportional to 10,865,978.80, 16,298,968.20 and 2,887,802.80

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Solution

The fourth proportional to 10,865,978.80, 16,298,968.20 and 2,887,802.80 is: 4,331,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,978.80 : 16,298,968.20 = 2,887,802.80 : x
  2. Step 2: Convert to fraction form
    10,865,978.80/16,298,968.20 = 2,887,802.80/x
  3. Step 3: Cross multiply
    10,865,978.80x = 16,298,968.20 × 2,887,802.80
  4. Step 4: Simplify right side
    10,865,978.80x = 47,068,206,005,070.95
  5. Step 5: Solve for x
    x = 47,068,206,005,070.95/10,865,978.80
  6. Step 6: Final answer
    x = 4,331,704.20

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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.