Home / 14,533,534.08-20,055,309.12-8,420,872.32

Finding the Fourth Proportional to 14,533,534.08, 20,055,309.12 and 8,420,872.32

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Solution

The fourth proportional to 14,533,534.08, 20,055,309.12 and 8,420,872.32 is: 11,620,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,533,534.08 : 20,055,309.12 = 8,420,872.32 : x
  2. Step 2: Convert to fraction form
    14,533,534.08/20,055,309.12 = 8,420,872.32/x
  3. Step 3: Cross multiply
    14,533,534.08x = 20,055,309.12 × 8,420,872.32
  4. Step 4: Simplify right side
    14,533,534.08x = 168,883,197,437,651.56
  5. Step 5: Solve for x
    x = 168,883,197,437,651.56/14,533,534.08
  6. Step 6: Final answer
    x = 11,620,242.98

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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.