Home / 30,921,371.20-46,382,056.80-21,851,444.80

Finding the Fourth Proportional to 30,921,371.20, 46,382,056.80 and 21,851,444.80

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Solution

The fourth proportional to 30,921,371.20, 46,382,056.80 and 21,851,444.80 is: 32,777,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,371.20 : 46,382,056.80 = 21,851,444.80 : x
  2. Step 2: Convert to fraction form
    30,921,371.20/46,382,056.80 = 21,851,444.80/x
  3. Step 3: Cross multiply
    30,921,371.20x = 46,382,056.80 × 21,851,444.80
  4. Step 4: Simplify right side
    30,921,371.20x = 1,013,514,953,875,664.62
  5. Step 5: Solve for x
    x = 1,013,514,953,875,664.62/30,921,371.20
  6. Step 6: Final answer
    x = 32,777,167.20

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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.