Home / 12,529,913.80-18,752,880.30-11,018,259.40

Finding the Fourth Proportional to 12,529,913.80, 18,752,880.30 and 11,018,259.40

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Solution

The fourth proportional to 12,529,913.80, 18,752,880.30 and 11,018,259.40 is: 16,490,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,913.80 : 18,752,880.30 = 11,018,259.40 : x
  2. Step 2: Convert to fraction form
    12,529,913.80/18,752,880.30 = 11,018,259.40/x
  3. Step 3: Cross multiply
    12,529,913.80x = 18,752,880.30 × 11,018,259.40
  4. Step 4: Simplify right side
    12,529,913.80x = 206,624,099,642,549.84
  5. Step 5: Solve for x
    x = 206,624,099,642,549.84/12,529,913.80
  6. Step 6: Final answer
    x = 16,490,464.57

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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.