Home / 30,043,838.42-45,064,403.40-12,529,183.31

Finding the Fourth Proportional to 30,043,838.42, 45,064,403.40 and 12,529,183.31

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Solution

The fourth proportional to 30,043,838.42, 45,064,403.40 and 12,529,183.31 is: 18,793,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043,838.42 : 45,064,403.40 = 12,529,183.31 : x
  2. Step 2: Convert to fraction form
    30,043,838.42/45,064,403.40 = 12,529,183.31/x
  3. Step 3: Cross multiply
    30,043,838.42x = 45,064,403.40 × 12,529,183.31
  4. Step 4: Simplify right side
    30,043,838.42x = 564,620,171,170,363.25
  5. Step 5: Solve for x
    x = 564,620,171,170,363.25/30,043,838.42
  6. Step 6: Final answer
    x = 18,793,210.22

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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.