Home / 21,399,913.80-32,102,305.58-7,759,484.64

Finding the Fourth Proportional to 21,399,913.80, 32,102,305.58 and 7,759,484.64

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Solution

The fourth proportional to 21,399,913.80, 32,102,305.58 and 7,759,484.64 is: 11,640,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,913.80 : 32,102,305.58 = 7,759,484.64 : x
  2. Step 2: Convert to fraction form
    21,399,913.80/32,102,305.58 = 7,759,484.64/x
  3. Step 3: Cross multiply
    21,399,913.80x = 32,102,305.58 × 7,759,484.64
  4. Step 4: Simplify right side
    21,399,913.80x = 249,097,347,056,596.28
  5. Step 5: Solve for x
    x = 249,097,347,056,596.28/21,399,913.80
  6. Step 6: Final answer
    x = 11,640,109.83

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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.