Home / 14,470,705.28-19,969,807.28-7,944,936.32

Finding the Fourth Proportional to 14,470,705.28, 19,969,807.28 and 7,944,936.32

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Solution

The fourth proportional to 14,470,705.28, 19,969,807.28 and 7,944,936.32 is: 10,964,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470,705.28 : 19,969,807.28 = 7,944,936.32 : x
  2. Step 2: Convert to fraction form
    14,470,705.28/19,969,807.28 = 7,944,936.32/x
  3. Step 3: Cross multiply
    14,470,705.28x = 19,969,807.28 × 7,944,936.32
  4. Step 4: Simplify right side
    14,470,705.28x = 158,658,847,162,272.44
  5. Step 5: Solve for x
    x = 158,658,847,162,272.44/14,470,705.28
  6. Step 6: Final answer
    x = 10,964,140.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.