Home / 15,520,253.13-21,416,924.70-9,321,616.67

Finding the Fourth Proportional to 15,520,253.13, 21,416,924.70 and 9,321,616.67

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Solution

The fourth proportional to 15,520,253.13, 21,416,924.70 and 9,321,616.67 is: 12,863,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,253.13 : 21,416,924.70 = 9,321,616.67 : x
  2. Step 2: Convert to fraction form
    15,520,253.13/21,416,924.70 = 9,321,616.67/x
  3. Step 3: Cross multiply
    15,520,253.13x = 21,416,924.70 × 9,321,616.67
  4. Step 4: Simplify right side
    15,520,253.13x = 199,640,362,196,570.09
  5. Step 5: Solve for x
    x = 199,640,362,196,570.09/15,520,253.13
  6. Step 6: Final answer
    x = 12,863,215.60

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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.