Home / 9,519,783.45-13,137,166.36-5,389,707.24

Finding the Fourth Proportional to 9,519,783.45, 13,137,166.36 and 5,389,707.24

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Solution

The fourth proportional to 9,519,783.45, 13,137,166.36 and 5,389,707.24 is: 7,437,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,783.45 : 13,137,166.36 = 5,389,707.24 : x
  2. Step 2: Convert to fraction form
    9,519,783.45/13,137,166.36 = 5,389,707.24/x
  3. Step 3: Cross multiply
    9,519,783.45x = 13,137,166.36 × 5,389,707.24
  4. Step 4: Simplify right side
    9,519,783.45x = 70,805,480,649,470.83
  5. Step 5: Solve for x
    x = 70,805,480,649,470.83/9,519,783.45
  6. Step 6: Final answer
    x = 7,437,719.68

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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.