Home / 13,046,748.49-18,013,520.10-8,154,169.75

Finding the Fourth Proportional to 13,046,748.49, 18,013,520.10 and 8,154,169.75

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Solution

The fourth proportional to 13,046,748.49, 18,013,520.10 and 8,154,169.75 is: 11,258,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,748.49 : 18,013,520.10 = 8,154,169.75 : x
  2. Step 2: Convert to fraction form
    13,046,748.49/18,013,520.10 = 8,154,169.75/x
  3. Step 3: Cross multiply
    13,046,748.49x = 18,013,520.10 × 8,154,169.75
  4. Step 4: Simplify right side
    13,046,748.49x = 146,885,300,690,437
  5. Step 5: Solve for x
    x = 146,885,300,690,437/13,046,748.49
  6. Step 6: Final answer
    x = 11,258,383.71

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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.