Home / 16,021,148.58-22,109,090.40-8,679,121.64

Finding the Fourth Proportional to 16,021,148.58, 22,109,090.40 and 8,679,121.64

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Solution

The fourth proportional to 16,021,148.58, 22,109,090.40 and 8,679,121.64 is: 11,977,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021,148.58 : 22,109,090.40 = 8,679,121.64 : x
  2. Step 2: Convert to fraction form
    16,021,148.58/22,109,090.40 = 8,679,121.64/x
  3. Step 3: Cross multiply
    16,021,148.58x = 22,109,090.40 × 8,679,121.64
  4. Step 4: Simplify right side
    16,021,148.58x = 191,887,484,931,356.25
  5. Step 5: Solve for x
    x = 191,887,484,931,356.25/16,021,148.58
  6. Step 6: Final answer
    x = 11,977,136.59

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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.