Home / 13,193,503.27-18,207,022.30-7,392,326.51

Finding the Fourth Proportional to 13,193,503.27, 18,207,022.30 and 7,392,326.51

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Solution

The fourth proportional to 13,193,503.27, 18,207,022.30 and 7,392,326.51 is: 10,201,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,503.27 : 18,207,022.30 = 7,392,326.51 : x
  2. Step 2: Convert to fraction form
    13,193,503.27/18,207,022.30 = 7,392,326.51/x
  3. Step 3: Cross multiply
    13,193,503.27x = 18,207,022.30 × 7,392,326.51
  4. Step 4: Simplify right side
    13,193,503.27x = 134,592,253,582,655.27
  5. Step 5: Solve for x
    x = 134,592,253,582,655.27/13,193,503.27
  6. Step 6: Final answer
    x = 10,201,403.74

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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.