Home / 12,673,868.20-19,010,802.30-4,152,149.80

Finding the Fourth Proportional to 12,673,868.20, 19,010,802.30 and 4,152,149.80

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Solution

The fourth proportional to 12,673,868.20, 19,010,802.30 and 4,152,149.80 is: 6,228,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,868.20 : 19,010,802.30 = 4,152,149.80 : x
  2. Step 2: Convert to fraction form
    12,673,868.20/19,010,802.30 = 4,152,149.80/x
  3. Step 3: Cross multiply
    12,673,868.20x = 19,010,802.30 × 4,152,149.80
  4. Step 4: Simplify right side
    12,673,868.20x = 78,935,698,967,784.55
  5. Step 5: Solve for x
    x = 78,935,698,967,784.55/12,673,868.20
  6. Step 6: Final answer
    x = 6,228,224.70

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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.