Home / 14,229,123.78-19,638,515.97-8,725,527.75

Finding the Fourth Proportional to 14,229,123.78, 19,638,515.97 and 8,725,527.75

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Solution

The fourth proportional to 14,229,123.78, 19,638,515.97 and 8,725,527.75 is: 12,042,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,123.78 : 19,638,515.97 = 8,725,527.75 : x
  2. Step 2: Convert to fraction form
    14,229,123.78/19,638,515.97 = 8,725,527.75/x
  3. Step 3: Cross multiply
    14,229,123.78x = 19,638,515.97 × 8,725,527.75
  4. Step 4: Simplify right side
    14,229,123.78x = 171,356,416,065,053.16
  5. Step 5: Solve for x
    x = 171,356,416,065,053.16/14,229,123.78
  6. Step 6: Final answer
    x = 12,042,654.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.