Home / 18,916,830.56-26,107,154.96-11,579,512.56

Finding the Fourth Proportional to 18,916,830.56, 26,107,154.96 and 11,579,512.56

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Solution

The fourth proportional to 18,916,830.56, 26,107,154.96 and 11,579,512.56 is: 15,980,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,830.56 : 26,107,154.96 = 11,579,512.56 : x
  2. Step 2: Convert to fraction form
    18,916,830.56/26,107,154.96 = 11,579,512.56/x
  3. Step 3: Cross multiply
    18,916,830.56x = 26,107,154.96 × 11,579,512.56
  4. Step 4: Simplify right side
    18,916,830.56x = 302,308,128,707,288.75
  5. Step 5: Solve for x
    x = 302,308,128,707,288.75/18,916,830.56
  6. Step 6: Final answer
    x = 15,980,908.00

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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.