Home / 12,598,940.16-18,899,969.28-4,512,783.36

Finding the Fourth Proportional to 12,598,940.16, 18,899,969.28 and 4,512,783.36

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Solution

The fourth proportional to 12,598,940.16, 18,899,969.28 and 4,512,783.36 is: 6,769,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598,940.16 : 18,899,969.28 = 4,512,783.36 : x
  2. Step 2: Convert to fraction form
    12,598,940.16/18,899,969.28 = 4,512,783.36/x
  3. Step 3: Cross multiply
    12,598,940.16x = 18,899,969.28 × 4,512,783.36
  4. Step 4: Simplify right side
    12,598,940.16x = 85,291,466,871,295.19
  5. Step 5: Solve for x
    x = 85,291,466,871,295.19/12,598,940.16
  6. Step 6: Final answer
    x = 6,769,733.47

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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.