Home / 21,225,339.73-29,291,068.02-12,058,485.49

Finding the Fourth Proportional to 21,225,339.73, 29,291,068.02 and 12,058,485.49

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Solution

The fourth proportional to 21,225,339.73, 29,291,068.02 and 12,058,485.49 is: 16,640,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,339.73 : 29,291,068.02 = 12,058,485.49 : x
  2. Step 2: Convert to fraction form
    21,225,339.73/29,291,068.02 = 12,058,485.49/x
  3. Step 3: Cross multiply
    21,225,339.73x = 29,291,068.02 × 12,058,485.49
  4. Step 4: Simplify right side
    21,225,339.73x = 353,205,918,705,773
  5. Step 5: Solve for x
    x = 353,205,918,705,773/21,225,339.73
  6. Step 6: Final answer
    x = 16,640,766.33

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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.