Home / 18,954,185.78-26,154,528.55-10,693,766.50

Finding the Fourth Proportional to 18,954,185.78, 26,154,528.55 and 10,693,766.50

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Solution

The fourth proportional to 18,954,185.78, 26,154,528.55 and 10,693,766.50 is: 14,756,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,185.78 : 26,154,528.55 = 10,693,766.50 : x
  2. Step 2: Convert to fraction form
    18,954,185.78/26,154,528.55 = 10,693,766.50/x
  3. Step 3: Cross multiply
    18,954,185.78x = 26,154,528.55 × 10,693,766.50
  4. Step 4: Simplify right side
    18,954,185.78x = 279,690,421,139,162.84
  5. Step 5: Solve for x
    x = 279,690,421,139,162.84/18,954,185.78
  6. Step 6: Final answer
    x = 14,756,129.56

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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.