Home / 8,559,730.40-11,811,166.46-5,205,185.42

Finding the Fourth Proportional to 8,559,730.40, 11,811,166.46 and 5,205,185.42

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Solution

The fourth proportional to 8,559,730.40, 11,811,166.46 and 5,205,185.42 is: 7,182,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559,730.40 : 11,811,166.46 = 5,205,185.42 : x
  2. Step 2: Convert to fraction form
    8,559,730.40/11,811,166.46 = 5,205,185.42/x
  3. Step 3: Cross multiply
    8,559,730.40x = 11,811,166.46 × 5,205,185.42
  4. Step 4: Simplify right side
    8,559,730.40x = 61,479,311,365,703.26
  5. Step 5: Solve for x
    x = 61,479,311,365,703.26/8,559,730.40
  6. Step 6: Final answer
    x = 7,182,388.76

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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.