Home / 26,178,147.81-36,124,678.39-15,006,631.75

Finding the Fourth Proportional to 26,178,147.81, 36,124,678.39 and 15,006,631.75

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Solution

The fourth proportional to 26,178,147.81, 36,124,678.39 and 15,006,631.75 is: 20,708,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178,147.81 : 36,124,678.39 = 15,006,631.75 : x
  2. Step 2: Convert to fraction form
    26,178,147.81/36,124,678.39 = 15,006,631.75/x
  3. Step 3: Cross multiply
    26,178,147.81x = 36,124,678.39 × 15,006,631.75
  4. Step 4: Simplify right side
    26,178,147.81x = 542,109,745,685,912.88
  5. Step 5: Solve for x
    x = 542,109,745,685,912.88/26,178,147.81
  6. Step 6: Final answer
    x = 20,708,483.64

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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.