Home / 8,855,083.56-12,215,840.17-5,181,746.76

Finding the Fourth Proportional to 8,855,083.56, 12,215,840.17 and 5,181,746.76

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Solution

The fourth proportional to 8,855,083.56, 12,215,840.17 and 5,181,746.76 is: 7,148,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,083.56 : 12,215,840.17 = 5,181,746.76 : x
  2. Step 2: Convert to fraction form
    8,855,083.56/12,215,840.17 = 5,181,746.76/x
  3. Step 3: Cross multiply
    8,855,083.56x = 12,215,840.17 × 5,181,746.76
  4. Step 4: Simplify right side
    8,855,083.56x = 63,299,390,221,575.34
  5. Step 5: Solve for x
    x = 63,299,390,221,575.34/8,855,083.56
  6. Step 6: Final answer
    x = 7,148,367.35

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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.