Home / 11,821,396.20-17,706,433.50-7,258,594.92

Finding the Fourth Proportional to 11,821,396.20, 17,706,433.50 and 7,258,594.92

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Solution

The fourth proportional to 11,821,396.20, 17,706,433.50 and 7,258,594.92 is: 10,872,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,396.20 : 17,706,433.50 = 7,258,594.92 : x
  2. Step 2: Convert to fraction form
    11,821,396.20/17,706,433.50 = 7,258,594.92/x
  3. Step 3: Cross multiply
    11,821,396.20x = 17,706,433.50 × 7,258,594.92
  4. Step 4: Simplify right side
    11,821,396.20x = 128,523,828,254,417.81
  5. Step 5: Solve for x
    x = 128,523,828,254,417.81/11,821,396.20
  6. Step 6: Final answer
    x = 10,872,136.09

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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.