Home / 30,122,281.36-41,569,021.48-16,371,278.48

Finding the Fourth Proportional to 30,122,281.36, 41,569,021.48 and 16,371,278.48

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Solution

The fourth proportional to 30,122,281.36, 41,569,021.48 and 16,371,278.48 is: 22,592,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122,281.36 : 41,569,021.48 = 16,371,278.48 : x
  2. Step 2: Convert to fraction form
    30,122,281.36/41,569,021.48 = 16,371,278.48/x
  3. Step 3: Cross multiply
    30,122,281.36x = 41,569,021.48 × 16,371,278.48
  4. Step 4: Simplify right side
    30,122,281.36x = 680,538,026,790,181.75
  5. Step 5: Solve for x
    x = 680,538,026,790,181.75/30,122,281.36
  6. Step 6: Final answer
    x = 22,592,512.79

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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.