Home / 28,530,045.66-39,371,462.31-16,307,165.34

Finding the Fourth Proportional to 28,530,045.66, 39,371,462.31 and 16,307,165.34

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Solution

The fourth proportional to 28,530,045.66, 39,371,462.31 and 16,307,165.34 is: 22,503,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,045.66 : 39,371,462.31 = 16,307,165.34 : x
  2. Step 2: Convert to fraction form
    28,530,045.66/39,371,462.31 = 16,307,165.34/x
  3. Step 3: Cross multiply
    28,530,045.66x = 39,371,462.31 × 16,307,165.34
  4. Step 4: Simplify right side
    28,530,045.66x = 642,036,945,566,748.38
  5. Step 5: Solve for x
    x = 642,036,945,566,748.38/28,530,045.66
  6. Step 6: Final answer
    x = 22,503,887.77

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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.