Home / 14,096,827.40-21,145,241.10-8,428,123.40

Finding the Fourth Proportional to 14,096,827.40, 21,145,241.10 and 8,428,123.40

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Solution

The fourth proportional to 14,096,827.40, 21,145,241.10 and 8,428,123.40 is: 12,642,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,096,827.40 : 21,145,241.10 = 8,428,123.40 : x
  2. Step 2: Convert to fraction form
    14,096,827.40/21,145,241.10 = 8,428,123.40/x
  3. Step 3: Cross multiply
    14,096,827.40x = 21,145,241.10 × 8,428,123.40
  4. Step 4: Simplify right side
    14,096,827.40x = 178,214,701,313,551.75
  5. Step 5: Solve for x
    x = 178,214,701,313,551.75/14,096,827.40
  6. Step 6: Final answer
    x = 12,642,185.10

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Similar ratio
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1.5x scale

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.