Home / 8,428,666.41-11,631,559.37-4,561,187.49

Finding the Fourth Proportional to 8,428,666.41, 11,631,559.37 and 4,561,187.49

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Solution

The fourth proportional to 8,428,666.41, 11,631,559.37 and 4,561,187.49 is: 6,294,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,666.41 : 11,631,559.37 = 4,561,187.49 : x
  2. Step 2: Convert to fraction form
    8,428,666.41/11,631,559.37 = 4,561,187.49/x
  3. Step 3: Cross multiply
    8,428,666.41x = 11,631,559.37 × 4,561,187.49
  4. Step 4: Simplify right side
    8,428,666.41x = 53,053,723,064,830.34
  5. Step 5: Solve for x
    x = 53,053,723,064,830.34/8,428,666.41
  6. Step 6: Final answer
    x = 6,294,438.58

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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.