Home / 28,457,982.35-42,680,584.73-13,090,512.90

Finding the Fourth Proportional to 28,457,982.35, 42,680,584.73 and 13,090,512.90

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Solution

The fourth proportional to 28,457,982.35, 42,680,584.73 and 13,090,512.90 is: 19,632,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,982.35 : 42,680,584.73 = 13,090,512.90 : x
  2. Step 2: Convert to fraction form
    28,457,982.35/42,680,584.73 = 13,090,512.90/x
  3. Step 3: Cross multiply
    28,457,982.35x = 42,680,584.73 × 13,090,512.90
  4. Step 4: Simplify right side
    28,457,982.35x = 558,710,744,922,155.50
  5. Step 5: Solve for x
    x = 558,710,744,922,155.50/28,457,982.35
  6. Step 6: Final answer
    x = 19,632,830.54

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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.