Home / 20,956,357.36-31,434,537.48-5,810,289.28

Finding the Fourth Proportional to 20,956,357.36, 31,434,537.48 and 5,810,289.28

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Solution

The fourth proportional to 20,956,357.36, 31,434,537.48 and 5,810,289.28 is: 8,715,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956,357.36 : 31,434,537.48 = 5,810,289.28 : x
  2. Step 2: Convert to fraction form
    20,956,357.36/31,434,537.48 = 5,810,289.28/x
  3. Step 3: Cross multiply
    20,956,357.36x = 31,434,537.48 × 5,810,289.28
  4. Step 4: Simplify right side
    20,956,357.36x = 182,643,756,141,802.22
  5. Step 5: Solve for x
    x = 182,643,756,141,802.22/20,956,357.36
  6. Step 6: Final answer
    x = 8,715,434.32

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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.