Home / 8,559,731.40-11,811,167.83-5,205,186.42

Finding the Fourth Proportional to 8,559,731.40, 11,811,167.83 and 5,205,186.42

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Solution

The fourth proportional to 8,559,731.40, 11,811,167.83 and 5,205,186.42 is: 7,182,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559,731.40 : 11,811,167.83 = 5,205,186.42 : x
  2. Step 2: Convert to fraction form
    8,559,731.40/11,811,167.83 = 5,205,186.42/x
  3. Step 3: Cross multiply
    8,559,731.40x = 11,811,167.83 × 5,205,186.42
  4. Step 4: Simplify right side
    8,559,731.40x = 61,479,330,393,056.87
  5. Step 5: Solve for x
    x = 61,479,330,393,056.87/8,559,731.40
  6. Step 6: Final answer
    x = 7,182,390.14

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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.