Home / 31,019,939.80-46,550,904.90-13,971,837.40

Finding the Fourth Proportional to 31,019,939.80, 46,550,904.90 and 13,971,837.40

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Solution

The fourth proportional to 31,019,939.80, 46,550,904.90 and 13,971,837.40 is: 20,967,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,019,939.80 : 46,550,904.90 = 13,971,837.40 : x
  2. Step 2: Convert to fraction form
    31,019,939.80/46,550,904.90 = 13,971,837.40/x
  3. Step 3: Cross multiply
    31,019,939.80x = 46,550,904.90 × 13,971,837.40
  4. Step 4: Simplify right side
    31,019,939.80x = 650,401,674,085,663.25
  5. Step 5: Solve for x
    x = 650,401,674,085,663.25/31,019,939.80
  6. Step 6: Final answer
    x = 20,967,212.65

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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.