Home / 7,294,389.48-10,066,489-3,986,611.16

Finding the Fourth Proportional to 7,294,389.48, 10,066,489 and 3,986,611.16

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Solution

The fourth proportional to 7,294,389.48, 10,066,489 and 3,986,611.16 is: 5,501,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294,389.48 : 10,066,489 = 3,986,611.16 : x
  2. Step 2: Convert to fraction form
    7,294,389.48/10,066,489 = 3,986,611.16/x
  3. Step 3: Cross multiply
    7,294,389.48x = 10,066,489 × 3,986,611.16
  4. Step 4: Simplify right side
    7,294,389.48x = 40,131,177,389,417.24
  5. Step 5: Solve for x
    x = 40,131,177,389,417.24/7,294,389.48
  6. Step 6: Final answer
    x = 5,501,649.93

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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.