Home / 15,704,349.42-21,672,035.91-8,828,887.98

Finding the Fourth Proportional to 15,704,349.42, 21,672,035.91 and 8,828,887.98

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Solution

The fourth proportional to 15,704,349.42, 21,672,035.91 and 8,828,887.98 is: 12,183,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704,349.42 : 21,672,035.91 = 8,828,887.98 : x
  2. Step 2: Convert to fraction form
    15,704,349.42/21,672,035.91 = 8,828,887.98/x
  3. Step 3: Cross multiply
    15,704,349.42x = 21,672,035.91 × 8,828,887.98
  4. Step 4: Simplify right side
    15,704,349.42x = 191,339,977,347,927.38
  5. Step 5: Solve for x
    x = 191,339,977,347,927.38/15,704,349.42
  6. Step 6: Final answer
    x = 12,183,884.36

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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.