Home / 13,188,547.70-19,782,821.55-4,090,627.70

Finding the Fourth Proportional to 13,188,547.70, 19,782,821.55 and 4,090,627.70

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Solution

The fourth proportional to 13,188,547.70, 19,782,821.55 and 4,090,627.70 is: 6,135,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,547.70 : 19,782,821.55 = 4,090,627.70 : x
  2. Step 2: Convert to fraction form
    13,188,547.70/19,782,821.55 = 4,090,627.70/x
  3. Step 3: Cross multiply
    13,188,547.70x = 19,782,821.55 × 4,090,627.70
  4. Step 4: Simplify right side
    13,188,547.70x = 80,924,157,816,586.94
  5. Step 5: Solve for x
    x = 80,924,157,816,586.94/13,188,547.70
  6. Step 6: Final answer
    x = 6,135,941.55

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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.