Home / 12,934,512.10-19,401,768.15-8,903,433.70

Finding the Fourth Proportional to 12,934,512.10, 19,401,768.15 and 8,903,433.70

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Solution

The fourth proportional to 12,934,512.10, 19,401,768.15 and 8,903,433.70 is: 13,355,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,512.10 : 19,401,768.15 = 8,903,433.70 : x
  2. Step 2: Convert to fraction form
    12,934,512.10/19,401,768.15 = 8,903,433.70/x
  3. Step 3: Cross multiply
    12,934,512.10x = 19,401,768.15 × 8,903,433.70
  4. Step 4: Simplify right side
    12,934,512.10x = 172,742,356,386,296.62
  5. Step 5: Solve for x
    x = 172,742,356,386,296.62/12,934,512.10
  6. Step 6: Final answer
    x = 13,355,150.55

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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.