Home / 13,816,656.19-20,714,749.12-6,621,338.71

Finding the Fourth Proportional to 13,816,656.19, 20,714,749.12 and 6,621,338.71

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Solution

The fourth proportional to 13,816,656.19, 20,714,749.12 and 6,621,338.71 is: 9,927,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816,656.19 : 20,714,749.12 = 6,621,338.71 : x
  2. Step 2: Convert to fraction form
    13,816,656.19/20,714,749.12 = 6,621,338.71/x
  3. Step 3: Cross multiply
    13,816,656.19x = 20,714,749.12 × 6,621,338.71
  4. Step 4: Simplify right side
    13,816,656.19x = 137,159,370,216,194.44
  5. Step 5: Solve for x
    x = 137,159,370,216,194.44/13,816,656.19
  6. Step 6: Final answer
    x = 9,927,103.08

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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.