Home / 8,757,985.37-11,980,985.82-8,721,097.70

Finding the Fourth Proportional to 8,757,985.37, 11,980,985.82 and 8,721,097.70

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Solution

The fourth proportional to 8,757,985.37, 11,980,985.82 and 8,721,097.70 is: 11,930,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757,985.37 : 11,980,985.82 = 8,721,097.70 : x
  2. Step 2: Convert to fraction form
    8,757,985.37/11,980,985.82 = 8,721,097.70/x
  3. Step 3: Cross multiply
    8,757,985.37x = 11,980,985.82 × 8,721,097.70
  4. Step 4: Simplify right side
    8,757,985.37x = 104,487,347,834,929.11
  5. Step 5: Solve for x
    x = 104,487,347,834,929.11/8,757,985.37
  6. Step 6: Final answer
    x = 11,930,523.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.