Home / 12,066,636.40-18,084,208.20-4,872,281.20

Finding the Fourth Proportional to 12,066,636.40, 18,084,208.20 and 4,872,281.20

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Solution

The fourth proportional to 12,066,636.40, 18,084,208.20 and 4,872,281.20 is: 7,302,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,636.40 : 18,084,208.20 = 4,872,281.20 : x
  2. Step 2: Convert to fraction form
    12,066,636.40/18,084,208.20 = 4,872,281.20/x
  3. Step 3: Cross multiply
    12,066,636.40x = 18,084,208.20 × 4,872,281.20
  4. Step 4: Simplify right side
    12,066,636.40x = 88,111,347,629,745.84
  5. Step 5: Solve for x
    x = 88,111,347,629,745.84/12,066,636.40
  6. Step 6: Final answer
    x = 7,302,063.70

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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.