Home / 13,221,840.60-19,809,317.54-11,283,081.50

Finding the Fourth Proportional to 13,221,840.60, 19,809,317.54 and 11,283,081.50

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Solution

The fourth proportional to 13,221,840.60, 19,809,317.54 and 11,283,081.50 is: 16,904,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,840.60 : 19,809,317.54 = 11,283,081.50 : x
  2. Step 2: Convert to fraction form
    13,221,840.60/19,809,317.54 = 11,283,081.50/x
  3. Step 3: Cross multiply
    13,221,840.60x = 19,809,317.54 × 11,283,081.50
  4. Step 4: Simplify right side
    13,221,840.60x = 223,510,144,340,930.50
  5. Step 5: Solve for x
    x = 223,510,144,340,930.50/13,221,840.60
  6. Step 6: Final answer
    x = 16,904,616.47

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1.5x scale

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.