Home / 13,257,508.95-18,293,254.35-7,455,170.16

Finding the Fourth Proportional to 13,257,508.95, 18,293,254.35 and 7,455,170.16

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Solution

The fourth proportional to 13,257,508.95, 18,293,254.35 and 7,455,170.16 is: 10,286,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,508.95 : 18,293,254.35 = 7,455,170.16 : x
  2. Step 2: Convert to fraction form
    13,257,508.95/18,293,254.35 = 7,455,170.16/x
  3. Step 3: Cross multiply
    13,257,508.95x = 18,293,254.35 × 7,455,170.16
  4. Step 4: Simplify right side
    13,257,508.95x = 136,379,323,959,410.20
  5. Step 5: Solve for x
    x = 136,379,323,959,410.20/13,257,508.95
  6. Step 6: Final answer
    x = 10,286,949.42

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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.