Home / 31,144,643.80-46,716,965.70-13,872,811.30

Finding the Fourth Proportional to 31,144,643.80, 46,716,965.70 and 13,872,811.30

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Solution

The fourth proportional to 31,144,643.80, 46,716,965.70 and 13,872,811.30 is: 20,809,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144,643.80 : 46,716,965.70 = 13,872,811.30 : x
  2. Step 2: Convert to fraction form
    31,144,643.80/46,716,965.70 = 13,872,811.30/x
  3. Step 3: Cross multiply
    31,144,643.80x = 46,716,965.70 × 13,872,811.30
  4. Step 4: Simplify right side
    31,144,643.80x = 648,095,649,664,672.50
  5. Step 5: Solve for x
    x = 648,095,649,664,672.50/31,144,643.80
  6. Step 6: Final answer
    x = 20,809,216.95

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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.