Home / 13,724,987.22-20,587,628.66-4,140,448.79

Finding the Fourth Proportional to 13,724,987.22, 20,587,628.66 and 4,140,448.79

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Solution

The fourth proportional to 13,724,987.22, 20,587,628.66 and 4,140,448.79 is: 6,210,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724,987.22 : 20,587,628.66 = 4,140,448.79 : x
  2. Step 2: Convert to fraction form
    13,724,987.22/20,587,628.66 = 4,140,448.79/x
  3. Step 3: Cross multiply
    13,724,987.22x = 20,587,628.66 × 4,140,448.79
  4. Step 4: Simplify right side
    13,724,987.22x = 85,242,022,050,625.94
  5. Step 5: Solve for x
    x = 85,242,022,050,625.94/13,724,987.22
  6. Step 6: Final answer
    x = 6,210,717.77

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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.