Home / 29,212,218-43,822,313.42-12,168,905.13

Finding the Fourth Proportional to 29,212,218, 43,822,313.42 and 12,168,905.13

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Solution

The fourth proportional to 29,212,218, 43,822,313.42 and 12,168,905.13 is: 18,255,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212,218 : 43,822,313.42 = 12,168,905.13 : x
  2. Step 2: Convert to fraction form
    29,212,218/43,822,313.42 = 12,168,905.13/x
  3. Step 3: Cross multiply
    29,212,218x = 43,822,313.42 × 12,168,905.13
  4. Step 4: Simplify right side
    29,212,218x = 533,269,574,524,261.38
  5. Step 5: Solve for x
    x = 533,269,574,524,261.38/29,212,218
  6. Step 6: Final answer
    x = 18,255,018.31

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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.