Home / 8,870,611.10-13,305,916.65-3,191,020.70

Finding the Fourth Proportional to 8,870,611.10, 13,305,916.65 and 3,191,020.70

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Solution

The fourth proportional to 8,870,611.10, 13,305,916.65 and 3,191,020.70 is: 4,786,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,611.10 : 13,305,916.65 = 3,191,020.70 : x
  2. Step 2: Convert to fraction form
    8,870,611.10/13,305,916.65 = 3,191,020.70/x
  3. Step 3: Cross multiply
    8,870,611.10x = 13,305,916.65 × 3,191,020.70
  4. Step 4: Simplify right side
    8,870,611.10x = 42,459,455,462,624.66
  5. Step 5: Solve for x
    x = 42,459,455,462,624.66/8,870,611.10
  6. Step 6: Final answer
    x = 4,786,531.05

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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.