Home / 9,259,876.58-13,886,870.39-8,655,371.72

Finding the Fourth Proportional to 9,259,876.58, 13,886,870.39 and 8,655,371.72

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Solution

The fourth proportional to 9,259,876.58, 13,886,870.39 and 8,655,371.72 is: 12,980,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259,876.58 : 13,886,870.39 = 8,655,371.72 : x
  2. Step 2: Convert to fraction form
    9,259,876.58/13,886,870.39 = 8,655,371.72/x
  3. Step 3: Cross multiply
    9,259,876.58x = 13,886,870.39 × 8,655,371.72
  4. Step 4: Simplify right side
    9,259,876.58x = 120,196,025,140,200.16
  5. Step 5: Solve for x
    x = 120,196,025,140,200.16/9,259,876.58
  6. Step 6: Final answer
    x = 12,980,305.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.