Home / 13,459,191.82-18,573,590.01-7,347,620.32

Finding the Fourth Proportional to 13,459,191.82, 18,573,590.01 and 7,347,620.32

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Solution

The fourth proportional to 13,459,191.82, 18,573,590.01 and 7,347,620.32 is: 10,139,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,191.82 : 18,573,590.01 = 7,347,620.32 : x
  2. Step 2: Convert to fraction form
    13,459,191.82/18,573,590.01 = 7,347,620.32/x
  3. Step 3: Cross multiply
    13,459,191.82x = 18,573,590.01 × 7,347,620.32
  4. Step 4: Simplify right side
    13,459,191.82x = 136,471,687,372,825.02
  5. Step 5: Solve for x
    x = 136,471,687,372,825.02/13,459,191.82
  6. Step 6: Final answer
    x = 10,139,664.34

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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.