Home / 10,315,810.60-15,436,974.30-8,982,615.40

Finding the Fourth Proportional to 10,315,810.60, 15,436,974.30 and 8,982,615.40

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Solution

The fourth proportional to 10,315,810.60, 15,436,974.30 and 8,982,615.40 is: 13,441,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,810.60 : 15,436,974.30 = 8,982,615.40 : x
  2. Step 2: Convert to fraction form
    10,315,810.60/15,436,974.30 = 8,982,615.40/x
  3. Step 3: Cross multiply
    10,315,810.60x = 15,436,974.30 × 8,982,615.40
  4. Step 4: Simplify right side
    10,315,810.60x = 138,664,403,076,584.23
  5. Step 5: Solve for x
    x = 138,664,403,076,584.23/10,315,810.60
  6. Step 6: Final answer
    x = 13,441,929.91

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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.