Home / 7,797,619.78-10,757,420.26-5,220,130.93

Finding the Fourth Proportional to 7,797,619.78, 10,757,420.26 and 5,220,130.93

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Solution

The fourth proportional to 7,797,619.78, 10,757,420.26 and 5,220,130.93 is: 7,201,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797,619.78 : 10,757,420.26 = 5,220,130.93 : x
  2. Step 2: Convert to fraction form
    7,797,619.78/10,757,420.26 = 5,220,130.93/x
  3. Step 3: Cross multiply
    7,797,619.78x = 10,757,420.26 × 5,220,130.93
  4. Step 4: Simplify right side
    7,797,619.78x = 56,155,142,186,290.77
  5. Step 5: Solve for x
    x = 56,155,142,186,290.77/7,797,619.78
  6. Step 6: Final answer
    x = 7,201,574.81

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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.