Home / 13,855,568.24-19,120,353.90-7,744,565.36

Finding the Fourth Proportional to 13,855,568.24, 19,120,353.90 and 7,744,565.36

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Solution

The fourth proportional to 13,855,568.24, 19,120,353.90 and 7,744,565.36 is: 10,687,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,568.24 : 19,120,353.90 = 7,744,565.36 : x
  2. Step 2: Convert to fraction form
    13,855,568.24/19,120,353.90 = 7,744,565.36/x
  3. Step 3: Cross multiply
    13,855,568.24x = 19,120,353.90 × 7,744,565.36
  4. Step 4: Simplify right side
    13,855,568.24x = 148,078,830,484,880.91
  5. Step 5: Solve for x
    x = 148,078,830,484,880.91/13,855,568.24
  6. Step 6: Final answer
    x = 10,687,315.59

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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.