Home / 14,004,513.40-21,006,770.10-8,321,812.60

Finding the Fourth Proportional to 14,004,513.40, 21,006,770.10 and 8,321,812.60

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Solution

The fourth proportional to 14,004,513.40, 21,006,770.10 and 8,321,812.60 is: 12,482,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004,513.40 : 21,006,770.10 = 8,321,812.60 : x
  2. Step 2: Convert to fraction form
    14,004,513.40/21,006,770.10 = 8,321,812.60/x
  3. Step 3: Cross multiply
    14,004,513.40x = 21,006,770.10 × 8,321,812.60
  4. Step 4: Simplify right side
    14,004,513.40x = 174,814,404,103,483.25
  5. Step 5: Solve for x
    x = 174,814,404,103,483.25/14,004,513.40
  6. Step 6: Final answer
    x = 12,482,718.90

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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.