Home / 7,782,767.40-11,658,404.70-5,389,314.60

Finding the Fourth Proportional to 7,782,767.40, 11,658,404.70 and 5,389,314.60

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Solution

The fourth proportional to 7,782,767.40, 11,658,404.70 and 5,389,314.60 is: 8,073,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,767.40 : 11,658,404.70 = 5,389,314.60 : x
  2. Step 2: Convert to fraction form
    7,782,767.40/11,658,404.70 = 5,389,314.60/x
  3. Step 3: Cross multiply
    7,782,767.40x = 11,658,404.70 × 5,389,314.60
  4. Step 4: Simplify right side
    7,782,767.40x = 62,830,810,662,418.61
  5. Step 5: Solve for x
    x = 62,830,810,662,418.61/7,782,767.40
  6. Step 6: Final answer
    x = 8,073,068.03

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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.