Home / 13,923,866.52-20,890,075.81-6,646,612.41

Finding the Fourth Proportional to 13,923,866.52, 20,890,075.81 and 6,646,612.41

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Solution

The fourth proportional to 13,923,866.52, 20,890,075.81 and 6,646,612.41 is: 9,971,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923,866.52 : 20,890,075.81 = 6,646,612.41 : x
  2. Step 2: Convert to fraction form
    13,923,866.52/20,890,075.81 = 6,646,612.41/x
  3. Step 3: Cross multiply
    13,923,866.52x = 20,890,075.81 × 6,646,612.41
  4. Step 4: Simplify right side
    13,923,866.52x = 138,848,237,036,752.95
  5. Step 5: Solve for x
    x = 138,848,237,036,752.95/13,923,866.52
  6. Step 6: Final answer
    x = 9,971,959.79

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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.