Home / 21,781,242.40-32,671,863.60-14,614,880.80

Finding the Fourth Proportional to 21,781,242.40, 32,671,863.60 and 14,614,880.80

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Solution

The fourth proportional to 21,781,242.40, 32,671,863.60 and 14,614,880.80 is: 21,922,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,242.40 : 32,671,863.60 = 14,614,880.80 : x
  2. Step 2: Convert to fraction form
    21,781,242.40/32,671,863.60 = 14,614,880.80/x
  3. Step 3: Cross multiply
    21,781,242.40x = 32,671,863.60 × 14,614,880.80
  4. Step 4: Simplify right side
    21,781,242.40x = 477,495,392,027,858.94
  5. Step 5: Solve for x
    x = 477,495,392,027,858.94/21,781,242.40
  6. Step 6: Final answer
    x = 21,922,321.20

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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.