Home / 28,084,927.20-42,127,390.80-12,968,383.20

Finding the Fourth Proportional to 28,084,927.20, 42,127,390.80 and 12,968,383.20

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Solution

The fourth proportional to 28,084,927.20, 42,127,390.80 and 12,968,383.20 is: 19,452,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,927.20 : 42,127,390.80 = 12,968,383.20 : x
  2. Step 2: Convert to fraction form
    28,084,927.20/42,127,390.80 = 12,968,383.20/x
  3. Step 3: Cross multiply
    28,084,927.20x = 42,127,390.80 × 12,968,383.20
  4. Step 4: Simplify right side
    28,084,927.20x = 546,324,147,110,554.50
  5. Step 5: Solve for x
    x = 546,324,147,110,554.50/28,084,927.20
  6. Step 6: Final answer
    x = 19,452,574.80

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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.