Home / 12,934,564.60-19,401,846.90-8,903,486.20

Finding the Fourth Proportional to 12,934,564.60, 19,401,846.90 and 8,903,486.20

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Solution

The fourth proportional to 12,934,564.60, 19,401,846.90 and 8,903,486.20 is: 13,355,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,564.60 : 19,401,846.90 = 8,903,486.20 : x
  2. Step 2: Convert to fraction form
    12,934,564.60/19,401,846.90 = 8,903,486.20/x
  3. Step 3: Cross multiply
    12,934,564.60x = 19,401,846.90 × 8,903,486.20
  4. Step 4: Simplify right side
    12,934,564.60x = 172,744,076,128,662.75
  5. Step 5: Solve for x
    x = 172,744,076,128,662.75/12,934,564.60
  6. Step 6: Final answer
    x = 13,355,229.30

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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.