Home / 28,529,962.12-39,371,347.65-16,307,081.56

Finding the Fourth Proportional to 28,529,962.12, 39,371,347.65 and 16,307,081.56

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Solution

The fourth proportional to 28,529,962.12, 39,371,347.65 and 16,307,081.56 is: 22,503,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529,962.12 : 39,371,347.65 = 16,307,081.56 : x
  2. Step 2: Convert to fraction form
    28,529,962.12/39,371,347.65 = 16,307,081.56/x
  3. Step 3: Cross multiply
    28,529,962.12x = 39,371,347.65 × 16,307,081.56
  4. Step 4: Simplify right side
    28,529,962.12x = 642,031,777,255,664.38
  5. Step 5: Solve for x
    x = 642,031,777,255,664.38/28,529,962.12
  6. Step 6: Final answer
    x = 22,503,772.51

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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.