Home / 28,677,717.64-43,022,875.02-8,481,385

Finding the Fourth Proportional to 28,677,717.64, 43,022,875.02 and 8,481,385

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Solution

The fourth proportional to 28,677,717.64, 43,022,875.02 and 8,481,385 is: 12,723,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,717.64 : 43,022,875.02 = 8,481,385 : x
  2. Step 2: Convert to fraction form
    28,677,717.64/43,022,875.02 = 8,481,385/x
  3. Step 3: Cross multiply
    28,677,717.64x = 43,022,875.02 × 8,481,385
  4. Step 4: Simplify right side
    28,677,717.64x = 364,893,566,851,502.75
  5. Step 5: Solve for x
    x = 364,893,566,851,502.75/28,677,717.64
  6. Step 6: Final answer
    x = 12,723,940.29

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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.