Home / 13,309,214.30-18,366,771.09-7,197,642.80

Finding the Fourth Proportional to 13,309,214.30, 18,366,771.09 and 7,197,642.80

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Solution

The fourth proportional to 13,309,214.30, 18,366,771.09 and 7,197,642.80 is: 9,932,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,214.30 : 18,366,771.09 = 7,197,642.80 : x
  2. Step 2: Convert to fraction form
    13,309,214.30/18,366,771.09 = 7,197,642.80/x
  3. Step 3: Cross multiply
    13,309,214.30x = 18,366,771.09 × 7,197,642.80
  4. Step 4: Simplify right side
    13,309,214.30x = 132,197,457,695,186.64
  5. Step 5: Solve for x
    x = 132,197,457,695,186.64/13,309,214.30
  6. Step 6: Final answer
    x = 9,932,777.00

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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.