Home / 13,145,623.10-19,718,434.65-9,956,977.10

Finding the Fourth Proportional to 13,145,623.10, 19,718,434.65 and 9,956,977.10

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Solution

The fourth proportional to 13,145,623.10, 19,718,434.65 and 9,956,977.10 is: 14,935,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,623.10 : 19,718,434.65 = 9,956,977.10 : x
  2. Step 2: Convert to fraction form
    13,145,623.10/19,718,434.65 = 9,956,977.10/x
  3. Step 3: Cross multiply
    13,145,623.10x = 19,718,434.65 × 9,956,977.10
  4. Step 4: Simplify right side
    13,145,623.10x = 196,336,002,257,896.50
  5. Step 5: Solve for x
    x = 196,336,002,257,896.50/13,145,623.10
  6. Step 6: Final answer
    x = 14,935,465.65

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Double scale
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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.