Home / 31,031,611.80-46,568,412.90-13,983,509.40

Finding the Fourth Proportional to 31,031,611.80, 46,568,412.90 and 13,983,509.40

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Solution

The fourth proportional to 31,031,611.80, 46,568,412.90 and 13,983,509.40 is: 20,984,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031,611.80 : 46,568,412.90 = 13,983,509.40 : x
  2. Step 2: Convert to fraction form
    31,031,611.80/46,568,412.90 = 13,983,509.40/x
  3. Step 3: Cross multiply
    31,031,611.80x = 46,568,412.90 × 13,983,509.40
  4. Step 4: Simplify right side
    31,031,611.80x = 651,189,839,530,231.25
  5. Step 5: Solve for x
    x = 651,189,839,530,231.25/31,031,611.80
  6. Step 6: Final answer
    x = 20,984,724.99

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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.