Home / 18,111,523.07-25,007,930.87-13,918,566.44

Finding the Fourth Proportional to 18,111,523.07, 25,007,930.87 and 13,918,566.44

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Solution

The fourth proportional to 18,111,523.07, 25,007,930.87 and 13,918,566.44 is: 19,218,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,523.07 : 25,007,930.87 = 13,918,566.44 : x
  2. Step 2: Convert to fraction form
    18,111,523.07/25,007,930.87 = 13,918,566.44/x
  3. Step 3: Cross multiply
    18,111,523.07x = 25,007,930.87 × 13,918,566.44
  4. Step 4: Simplify right side
    18,111,523.07x = 348,074,547,146,389.50
  5. Step 5: Solve for x
    x = 348,074,547,146,389.50/18,111,523.07
  6. Step 6: Final answer
    x = 19,218,402.89

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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.