Home / 11,760,455.81-17,641,348.02-4,187,421.56

Finding the Fourth Proportional to 11,760,455.81, 17,641,348.02 and 4,187,421.56

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Solution

The fourth proportional to 11,760,455.81, 17,641,348.02 and 4,187,421.56 is: 6,281,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760,455.81 : 17,641,348.02 = 4,187,421.56 : x
  2. Step 2: Convert to fraction form
    11,760,455.81/17,641,348.02 = 4,187,421.56/x
  3. Step 3: Cross multiply
    11,760,455.81x = 17,641,348.02 × 4,187,421.56
  4. Step 4: Simplify right side
    11,760,455.81x = 73,871,761,090,514.67
  5. Step 5: Solve for x
    x = 73,871,761,090,514.67/11,760,455.81
  6. Step 6: Final answer
    x = 6,281,368.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.