Home / 12,934,489.60-19,401,734.40-8,903,411.20

Finding the Fourth Proportional to 12,934,489.60, 19,401,734.40 and 8,903,411.20

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Solution

The fourth proportional to 12,934,489.60, 19,401,734.40 and 8,903,411.20 is: 13,355,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,489.60 : 19,401,734.40 = 8,903,411.20 : x
  2. Step 2: Convert to fraction form
    12,934,489.60/19,401,734.40 = 8,903,411.20/x
  3. Step 3: Cross multiply
    12,934,489.60x = 19,401,734.40 × 8,903,411.20
  4. Step 4: Simplify right side
    12,934,489.60x = 172,741,619,356,385.25
  5. Step 5: Solve for x
    x = 172,741,619,356,385.25/12,934,489.60
  6. Step 6: Final answer
    x = 13,355,116.80

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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.