Home / 12,143,480.16-18,218,374.98-3,623,816.63

Finding the Fourth Proportional to 12,143,480.16, 18,218,374.98 and 3,623,816.63

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Solution

The fourth proportional to 12,143,480.16, 18,218,374.98 and 3,623,816.63 is: 5,436,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,480.16 : 18,218,374.98 = 3,623,816.63 : x
  2. Step 2: Convert to fraction form
    12,143,480.16/18,218,374.98 = 3,623,816.63/x
  3. Step 3: Cross multiply
    12,143,480.16x = 18,218,374.98 × 3,623,816.63
  4. Step 4: Simplify right side
    12,143,480.16x = 66,020,050,184,152.33
  5. Step 5: Solve for x
    x = 66,020,050,184,152.33/12,143,480.16
  6. Step 6: Final answer
    x = 5,436,666.37

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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.