Home / 13,712,575.36-18,922,944.37-7,517,410.35

Finding the Fourth Proportional to 13,712,575.36, 18,922,944.37 and 7,517,410.35

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Solution

The fourth proportional to 13,712,575.36, 18,922,944.37 and 7,517,410.35 is: 10,373,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,575.36 : 18,922,944.37 = 7,517,410.35 : x
  2. Step 2: Convert to fraction form
    13,712,575.36/18,922,944.37 = 7,517,410.35/x
  3. Step 3: Cross multiply
    13,712,575.36x = 18,922,944.37 × 7,517,410.35
  4. Step 4: Simplify right side
    13,712,575.36x = 142,251,537,859,512.22
  5. Step 5: Solve for x
    x = 142,251,537,859,512.22/13,712,575.36
  6. Step 6: Final answer
    x = 10,373,801.72

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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.