Home / 8,091,092.39-11,168,368.38-6,440,267.63

Finding the Fourth Proportional to 8,091,092.39, 11,168,368.38 and 6,440,267.63

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Solution

The fourth proportional to 8,091,092.39, 11,168,368.38 and 6,440,267.63 is: 8,889,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,092.39 : 11,168,368.38 = 6,440,267.63 : x
  2. Step 2: Convert to fraction form
    8,091,092.39/11,168,368.38 = 6,440,267.63/x
  3. Step 3: Cross multiply
    8,091,092.39x = 11,168,368.38 × 6,440,267.63
  4. Step 4: Simplify right side
    8,091,092.39x = 71,927,281,301,787.70
  5. Step 5: Solve for x
    x = 71,927,281,301,787.70/8,091,092.39
  6. Step 6: Final answer
    x = 8,889,687.31

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Double scale
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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.