Home / 20,736,069.80-31,119,656.70-10,633,490.60

Finding the Fourth Proportional to 20,736,069.80, 31,119,656.70 and 10,633,490.60

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Solution

The fourth proportional to 20,736,069.80, 31,119,656.70 and 10,633,490.60 is: 15,958,210.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,069.80 : 31,119,656.70 = 10,633,490.60 : x
  2. Step 2: Convert to fraction form
    20,736,069.80/31,119,656.70 = 10,633,490.60/x
  3. Step 3: Cross multiply
    20,736,069.80x = 31,119,656.70 × 10,633,490.60
  4. Step 4: Simplify right side
    20,736,069.80x = 330,910,576,994,677
  5. Step 5: Solve for x
    x = 330,910,576,994,677/20,736,069.80
  6. Step 6: Final answer
    x = 15,958,210.99

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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.