Home / 12,464,109.80-18,697,622.70-3,945,307.40

Finding the Fourth Proportional to 12,464,109.80, 18,697,622.70 and 3,945,307.40

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Solution

The fourth proportional to 12,464,109.80, 18,697,622.70 and 3,945,307.40 is: 5,918,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,109.80 : 18,697,622.70 = 3,945,307.40 : x
  2. Step 2: Convert to fraction form
    12,464,109.80/18,697,622.70 = 3,945,307.40/x
  3. Step 3: Cross multiply
    12,464,109.80x = 18,697,622.70 × 3,945,307.40
  4. Step 4: Simplify right side
    12,464,109.80x = 73,767,869,200,717.97
  5. Step 5: Solve for x
    x = 73,767,869,200,717.97/12,464,109.80
  6. Step 6: Final answer
    x = 5,918,422.61

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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.