Home / 14,014,568.40-21,021,852.60-12,880,827.60

Finding the Fourth Proportional to 14,014,568.40, 21,021,852.60 and 12,880,827.60

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Solution

The fourth proportional to 14,014,568.40, 21,021,852.60 and 12,880,827.60 is: 19,321,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,568.40 : 21,021,852.60 = 12,880,827.60 : x
  2. Step 2: Convert to fraction form
    14,014,568.40/21,021,852.60 = 12,880,827.60/x
  3. Step 3: Cross multiply
    14,014,568.40x = 21,021,852.60 × 12,880,827.60
  4. Step 4: Simplify right side
    14,014,568.40x = 270,778,859,173,211.78
  5. Step 5: Solve for x
    x = 270,778,859,173,211.78/14,014,568.40
  6. Step 6: Final answer
    x = 19,321,241.40

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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.