Home / 13,348,575.00-18,423,914.79-8,123,266.72

Finding the Fourth Proportional to 13,348,575.00, 18,423,914.79 and 8,123,266.72

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Solution

The fourth proportional to 13,348,575.00, 18,423,914.79 and 8,123,266.72 is: 11,211,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,575.00 : 18,423,914.79 = 8,123,266.72 : x
  2. Step 2: Convert to fraction form
    13,348,575.00/18,423,914.79 = 8,123,266.72/x
  3. Step 3: Cross multiply
    13,348,575.00x = 18,423,914.79 × 8,123,266.72
  4. Step 4: Simplify right side
    13,348,575.00x = 149,662,373,938,294.53
  5. Step 5: Solve for x
    x = 149,662,373,938,294.53/13,348,575.00
  6. Step 6: Final answer
    x = 11,211,861.48

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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.