Home / 12,692,114.40-19,038,171.60-12,196,102.80

Finding the Fourth Proportional to 12,692,114.40, 19,038,171.60 and 12,196,102.80

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Solution

The fourth proportional to 12,692,114.40, 19,038,171.60 and 12,196,102.80 is: 18,294,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692,114.40 : 19,038,171.60 = 12,196,102.80 : x
  2. Step 2: Convert to fraction form
    12,692,114.40/19,038,171.60 = 12,196,102.80/x
  3. Step 3: Cross multiply
    12,692,114.40x = 19,038,171.60 × 12,196,102.80
  4. Step 4: Simplify right side
    12,692,114.40x = 232,191,497,957,640.50
  5. Step 5: Solve for x
    x = 232,191,497,957,640.50/12,692,114.40
  6. Step 6: Final answer
    x = 18,294,154.20

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1.5x scale

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.