Home / 18,951,605.79-26,154,411.82-10,688,653.23

Finding the Fourth Proportional to 18,951,605.79, 26,154,411.82 and 10,688,653.23

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Solution

The fourth proportional to 18,951,605.79, 26,154,411.82 and 10,688,653.23 is: 14,751,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951,605.79 : 26,154,411.82 = 10,688,653.23 : x
  2. Step 2: Convert to fraction form
    18,951,605.79/26,154,411.82 = 10,688,653.23/x
  3. Step 3: Cross multiply
    18,951,605.79x = 26,154,411.82 × 10,688,653.23
  4. Step 4: Simplify right side
    18,951,605.79x = 279,555,438,461,034.78
  5. Step 5: Solve for x
    x = 279,555,438,461,034.78/18,951,605.79
  6. Step 6: Final answer
    x = 14,751,015.90

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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.