Home / 28,609,271.66-42,859,905.80-16,902,712.41

Finding the Fourth Proportional to 28,609,271.66, 42,859,905.80 and 16,902,712.41

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Solution

The fourth proportional to 28,609,271.66, 42,859,905.80 and 16,902,712.41 is: 25,322,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609,271.66 : 42,859,905.80 = 16,902,712.41 : x
  2. Step 2: Convert to fraction form
    28,609,271.66/42,859,905.80 = 16,902,712.41/x
  3. Step 3: Cross multiply
    28,609,271.66x = 42,859,905.80 × 16,902,712.41
  4. Step 4: Simplify right side
    28,609,271.66x = 724,448,661,657,090.88
  5. Step 5: Solve for x
    x = 724,448,661,657,090.88/28,609,271.66
  6. Step 6: Final answer
    x = 25,322,163.75

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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.