Home / 18,901,644-26,084,268.88-10,316,940

Finding the Fourth Proportional to 18,901,644, 26,084,268.88 and 10,316,940

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Solution

The fourth proportional to 18,901,644, 26,084,268.88 and 10,316,940 is: 14,237,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,644 : 26,084,268.88 = 10,316,940 : x
  2. Step 2: Convert to fraction form
    18,901,644/26,084,268.88 = 10,316,940/x
  3. Step 3: Cross multiply
    18,901,644x = 26,084,268.88 × 10,316,940
  4. Step 4: Simplify right side
    18,901,644x = 269,109,836,978,827.19
  5. Step 5: Solve for x
    x = 269,109,836,978,827.19/18,901,644
  6. Step 6: Final answer
    x = 14,237,377.29

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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.