Home / 28,312,039.44-39,070,239.90-15,922,129.56

Finding the Fourth Proportional to 28,312,039.44, 39,070,239.90 and 15,922,129.56

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Solution

The fourth proportional to 28,312,039.44, 39,070,239.90 and 15,922,129.56 is: 21,972,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312,039.44 : 39,070,239.90 = 15,922,129.56 : x
  2. Step 2: Convert to fraction form
    28,312,039.44/39,070,239.90 = 15,922,129.56/x
  3. Step 3: Cross multiply
    28,312,039.44x = 39,070,239.90 × 15,922,129.56
  4. Step 4: Simplify right side
    28,312,039.44x = 622,081,421,628,081.50
  5. Step 5: Solve for x
    x = 622,081,421,628,081.50/28,312,039.44
  6. Step 6: Final answer
    x = 21,972,328.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.