Home / 11,854,374.28-16,359,012.66-6,421,879.24

Finding the Fourth Proportional to 11,854,374.28, 16,359,012.66 and 6,421,879.24

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Solution

The fourth proportional to 11,854,374.28, 16,359,012.66 and 6,421,879.24 is: 8,862,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854,374.28 : 16,359,012.66 = 6,421,879.24 : x
  2. Step 2: Convert to fraction form
    11,854,374.28/16,359,012.66 = 6,421,879.24/x
  3. Step 3: Cross multiply
    11,854,374.28x = 16,359,012.66 × 6,421,879.24
  4. Step 4: Simplify right side
    11,854,374.28x = 105,055,603,788,151.19
  5. Step 5: Solve for x
    x = 105,055,603,788,151.19/11,854,374.28
  6. Step 6: Final answer
    x = 8,862,180.43

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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.