Home / 31,019,932.80-46,550,894.40-13,971,830.40

Finding the Fourth Proportional to 31,019,932.80, 46,550,894.40 and 13,971,830.40

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Solution

The fourth proportional to 31,019,932.80, 46,550,894.40 and 13,971,830.40 is: 20,967,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,019,932.80 : 46,550,894.40 = 13,971,830.40 : x
  2. Step 2: Convert to fraction form
    31,019,932.80/46,550,894.40 = 13,971,830.40/x
  3. Step 3: Cross multiply
    31,019,932.80x = 46,550,894.40 × 13,971,830.40
  4. Step 4: Simplify right side
    31,019,932.80x = 650,401,201,525,109.75
  5. Step 5: Solve for x
    x = 650,401,201,525,109.75/31,019,932.80
  6. Step 6: Final answer
    x = 20,967,202.14

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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.