Home / 21,963,492.80-32,929,879.20-12,983,422.40

Finding the Fourth Proportional to 21,963,492.80, 32,929,879.20 and 12,983,422.40

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Solution

The fourth proportional to 21,963,492.80, 32,929,879.20 and 12,983,422.40 is: 19,466,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,492.80 : 32,929,879.20 = 12,983,422.40 : x
  2. Step 2: Convert to fraction form
    21,963,492.80/32,929,879.20 = 12,983,422.40/x
  3. Step 3: Cross multiply
    21,963,492.80x = 32,929,879.20 × 12,983,422.40
  4. Step 4: Simplify right side
    21,963,492.80x = 427,542,531,234,574.06
  5. Step 5: Solve for x
    x = 427,542,531,234,574.06/21,963,492.80
  6. Step 6: Final answer
    x = 19,466,053.74

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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.