Home / 13,168,265.60-19,794,388.80-12,412,438.40

Finding the Fourth Proportional to 13,168,265.60, 19,794,388.80 and 12,412,438.40

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Solution

The fourth proportional to 13,168,265.60, 19,794,388.80 and 12,412,438.40 is: 18,658,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,265.60 : 19,794,388.80 = 12,412,438.40 : x
  2. Step 2: Convert to fraction form
    13,168,265.60/19,794,388.80 = 12,412,438.40/x
  3. Step 3: Cross multiply
    13,168,265.60x = 19,794,388.80 × 12,412,438.40
  4. Step 4: Simplify right side
    13,168,265.60x = 245,696,631,645,649.94
  5. Step 5: Solve for x
    x = 245,696,631,645,649.94/13,168,265.60
  6. Step 6: Final answer
    x = 18,658,237.85

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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.