Home / 18,400,587.33-25,392,984.20-10,140,951.72

Finding the Fourth Proportional to 18,400,587.33, 25,392,984.20 and 10,140,951.72

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Solution

The fourth proportional to 18,400,587.33, 25,392,984.20 and 10,140,951.72 is: 13,994,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400,587.33 : 25,392,984.20 = 10,140,951.72 : x
  2. Step 2: Convert to fraction form
    18,400,587.33/25,392,984.20 = 10,140,951.72/x
  3. Step 3: Cross multiply
    18,400,587.33x = 25,392,984.20 × 10,140,951.72
  4. Step 4: Simplify right side
    18,400,587.33x = 257,509,026,748,218.09
  5. Step 5: Solve for x
    x = 257,509,026,748,218.09/18,400,587.33
  6. Step 6: Final answer
    x = 13,994,609.09

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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.