Home / 13,210,054.62-18,213,004.08-8,555,618.04

Finding the Fourth Proportional to 13,210,054.62, 18,213,004.08 and 8,555,618.04

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Solution

The fourth proportional to 13,210,054.62, 18,213,004.08 and 8,555,618.04 is: 11,795,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,054.62 : 18,213,004.08 = 8,555,618.04 : x
  2. Step 2: Convert to fraction form
    13,210,054.62/18,213,004.08 = 8,555,618.04/x
  3. Step 3: Cross multiply
    13,210,054.62x = 18,213,004.08 × 8,555,618.04
  4. Step 4: Simplify right side
    13,210,054.62x = 155,823,506,269,441.56
  5. Step 5: Solve for x
    x = 155,823,506,269,441.56/13,210,054.62
  6. Step 6: Final answer
    x = 11,795,826.04

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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.