Home / 15,041,206.95-20,756,754.14-8,165,512.23

Finding the Fourth Proportional to 15,041,206.95, 20,756,754.14 and 8,165,512.23

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Solution

The fourth proportional to 15,041,206.95, 20,756,754.14 and 8,165,512.23 is: 11,268,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041,206.95 : 20,756,754.14 = 8,165,512.23 : x
  2. Step 2: Convert to fraction form
    15,041,206.95/20,756,754.14 = 8,165,512.23/x
  3. Step 3: Cross multiply
    15,041,206.95x = 20,756,754.14 × 8,165,512.23
  4. Step 4: Simplify right side
    15,041,206.95x = 169,489,529,744,445.59
  5. Step 5: Solve for x
    x = 169,489,529,744,445.59/15,041,206.95
  6. Step 6: Final answer
    x = 11,268,346.37

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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.