Home / 18,732,080.80-28,084,124.40-10,222,026.40

Finding the Fourth Proportional to 18,732,080.80, 28,084,124.40 and 10,222,026.40

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Solution

The fourth proportional to 18,732,080.80, 28,084,124.40 and 10,222,026.40 is: 15,325,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732,080.80 : 28,084,124.40 = 10,222,026.40 : x
  2. Step 2: Convert to fraction form
    18,732,080.80/28,084,124.40 = 10,222,026.40/x
  3. Step 3: Cross multiply
    18,732,080.80x = 28,084,124.40 × 10,222,026.40
  4. Step 4: Simplify right side
    18,732,080.80x = 287,076,661,037,684.12
  5. Step 5: Solve for x
    x = 287,076,661,037,684.12/18,732,080.80
  6. Step 6: Final answer
    x = 15,325,401.60

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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.