Home / 8,870,940.90-13,306,411.35-3,190,427.10

Finding the Fourth Proportional to 8,870,940.90, 13,306,411.35 and 3,190,427.10

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Solution

The fourth proportional to 8,870,940.90, 13,306,411.35 and 3,190,427.10 is: 4,785,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,940.90 : 13,306,411.35 = 3,190,427.10 : x
  2. Step 2: Convert to fraction form
    8,870,940.90/13,306,411.35 = 3,190,427.10/x
  3. Step 3: Cross multiply
    8,870,940.90x = 13,306,411.35 × 3,190,427.10
  4. Step 4: Simplify right side
    8,870,940.90x = 42,453,135,374,787.59
  5. Step 5: Solve for x
    x = 42,453,135,374,787.59/8,870,940.90
  6. Step 6: Final answer
    x = 4,785,640.65

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Double scale
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Similar ratio
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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.