Home / 26,306,903.81-36,270,491.69-20,119,540.61

Finding the Fourth Proportional to 26,306,903.81, 36,270,491.69 and 20,119,540.61

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Solution

The fourth proportional to 26,306,903.81, 36,270,491.69 and 20,119,540.61 is: 27,739,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306,903.81 : 36,270,491.69 = 20,119,540.61 : x
  2. Step 2: Convert to fraction form
    26,306,903.81/36,270,491.69 = 20,119,540.61/x
  3. Step 3: Cross multiply
    26,306,903.81x = 36,270,491.69 × 20,119,540.61
  4. Step 4: Simplify right side
    26,306,903.81x = 729,745,630,219,672.38
  5. Step 5: Solve for x
    x = 729,745,630,219,672.38/26,306,903.81
  6. Step 6: Final answer
    x = 27,739,700.41

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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.