Home / 19,487,999.40-29,231,999.10-18,559,026.60

Finding the Fourth Proportional to 19,487,999.40, 29,231,999.10 and 18,559,026.60

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Solution

The fourth proportional to 19,487,999.40, 29,231,999.10 and 18,559,026.60 is: 27,838,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,999.40 : 29,231,999.10 = 18,559,026.60 : x
  2. Step 2: Convert to fraction form
    19,487,999.40/29,231,999.10 = 18,559,026.60/x
  3. Step 3: Cross multiply
    19,487,999.40x = 29,231,999.10 × 18,559,026.60
  4. Step 4: Simplify right side
    19,487,999.40x = 542,517,448,868,076.12
  5. Step 5: Solve for x
    x = 542,517,448,868,076.12/19,487,999.40
  6. Step 6: Final answer
    x = 27,838,539.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.