Home / 13,407,842.40-20,111,763.60-3,310,463.40

Finding the Fourth Proportional to 13,407,842.40, 20,111,763.60 and 3,310,463.40

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Solution

The fourth proportional to 13,407,842.40, 20,111,763.60 and 3,310,463.40 is: 4,965,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,842.40 : 20,111,763.60 = 3,310,463.40 : x
  2. Step 2: Convert to fraction form
    13,407,842.40/20,111,763.60 = 3,310,463.40/x
  3. Step 3: Cross multiply
    13,407,842.40x = 20,111,763.60 × 3,310,463.40
  4. Step 4: Simplify right side
    13,407,842.40x = 66,579,257,307,252.24
  5. Step 5: Solve for x
    x = 66,579,257,307,252.24/13,407,842.40
  6. Step 6: Final answer
    x = 4,965,695.10

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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.