Home / 28,698,272.16-39,581,220.96-18,385,954.80

Finding the Fourth Proportional to 28,698,272.16, 39,581,220.96 and 18,385,954.80

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Solution

The fourth proportional to 28,698,272.16, 39,581,220.96 and 18,385,954.80 is: 25,358,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698,272.16 : 39,581,220.96 = 18,385,954.80 : x
  2. Step 2: Convert to fraction form
    28,698,272.16/39,581,220.96 = 18,385,954.80/x
  3. Step 3: Cross multiply
    28,698,272.16x = 39,581,220.96 × 18,385,954.80
  4. Step 4: Simplify right side
    28,698,272.16x = 727,738,539,499,372.62
  5. Step 5: Solve for x
    x = 727,738,539,499,372.62/28,698,272.16
  6. Step 6: Final answer
    x = 25,358,270.19

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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.