Home / 13,824,012.40-20,736,018.60-12,563,263.60

Finding the Fourth Proportional to 13,824,012.40, 20,736,018.60 and 12,563,263.60

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Solution

The fourth proportional to 13,824,012.40, 20,736,018.60 and 12,563,263.60 is: 18,844,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,012.40 : 20,736,018.60 = 12,563,263.60 : x
  2. Step 2: Convert to fraction form
    13,824,012.40/20,736,018.60 = 12,563,263.60/x
  3. Step 3: Cross multiply
    13,824,012.40x = 20,736,018.60 × 12,563,263.60
  4. Step 4: Simplify right side
    13,824,012.40x = 260,512,067,686,302.97
  5. Step 5: Solve for x
    x = 260,512,067,686,302.97/13,824,012.40
  6. Step 6: Final answer
    x = 18,844,895.40

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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.