Home / 13,812,438.71-20,715,122.79-4,094,779.28

Finding the Fourth Proportional to 13,812,438.71, 20,715,122.79 and 4,094,779.28

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Solution

The fourth proportional to 13,812,438.71, 20,715,122.79 and 4,094,779.28 is: 6,141,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,438.71 : 20,715,122.79 = 4,094,779.28 : x
  2. Step 2: Convert to fraction form
    13,812,438.71/20,715,122.79 = 4,094,779.28/x
  3. Step 3: Cross multiply
    13,812,438.71x = 20,715,122.79 × 4,094,779.28
  4. Step 4: Simplify right side
    13,812,438.71x = 84,823,855,596,094.73
  5. Step 5: Solve for x
    x = 84,823,855,596,094.73/13,812,438.71
  6. Step 6: Final answer
    x = 6,141,120.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.