Home / 13,585,571.24-18,750,768.10-7,788,245.80

Finding the Fourth Proportional to 13,585,571.24, 18,750,768.10 and 7,788,245.80

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Solution

The fourth proportional to 13,585,571.24, 18,750,768.10 and 7,788,245.80 is: 10,749,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,571.24 : 18,750,768.10 = 7,788,245.80 : x
  2. Step 2: Convert to fraction form
    13,585,571.24/18,750,768.10 = 7,788,245.80/x
  3. Step 3: Cross multiply
    13,585,571.24x = 18,750,768.10 × 7,788,245.80
  4. Step 4: Simplify right side
    13,585,571.24x = 146,035,590,901,599
  5. Step 5: Solve for x
    x = 146,035,590,901,599/13,585,571.24
  6. Step 6: Final answer
    x = 10,749,315.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.