Home / 12,018,411.37-18,015,019.93-4,440,543.85

Finding the Fourth Proportional to 12,018,411.37, 18,015,019.93 and 4,440,543.85

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Solution

The fourth proportional to 12,018,411.37, 18,015,019.93 and 4,440,543.85 is: 6,656,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,411.37 : 18,015,019.93 = 4,440,543.85 : x
  2. Step 2: Convert to fraction form
    12,018,411.37/18,015,019.93 = 4,440,543.85/x
  3. Step 3: Cross multiply
    12,018,411.37x = 18,015,019.93 × 4,440,543.85
  4. Step 4: Simplify right side
    12,018,411.37x = 79,996,485,957,788.92
  5. Step 5: Solve for x
    x = 79,996,485,957,788.92/12,018,411.37
  6. Step 6: Final answer
    x = 6,656,161.41

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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.