Home / 18,719,446.42-25,841,816.13-11,847,259.54

Finding the Fourth Proportional to 18,719,446.42, 25,841,816.13 and 11,847,259.54

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Solution

The fourth proportional to 18,719,446.42, 25,841,816.13 and 11,847,259.54 is: 16,354,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,446.42 : 25,841,816.13 = 11,847,259.54 : x
  2. Step 2: Convert to fraction form
    18,719,446.42/25,841,816.13 = 11,847,259.54/x
  3. Step 3: Cross multiply
    18,719,446.42x = 25,841,816.13 × 11,847,259.54
  4. Step 4: Simplify right side
    18,719,446.42x = 306,154,702,677,068.38
  5. Step 5: Solve for x
    x = 306,154,702,677,068.38/18,719,446.42
  6. Step 6: Final answer
    x = 16,354,901.52

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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.