Home / 14,009,611.05-21,018,353.18-6,821,379.45

Finding the Fourth Proportional to 14,009,611.05, 21,018,353.18 and 6,821,379.45

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Solution

The fourth proportional to 14,009,611.05, 21,018,353.18 and 6,821,379.45 is: 10,233,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,611.05 : 21,018,353.18 = 6,821,379.45 : x
  2. Step 2: Convert to fraction form
    14,009,611.05/21,018,353.18 = 6,821,379.45/x
  3. Step 3: Cross multiply
    14,009,611.05x = 21,018,353.18 × 6,821,379.45
  4. Step 4: Simplify right side
    14,009,611.05x = 143,374,162,420,787.25
  5. Step 5: Solve for x
    x = 143,374,162,420,787.25/14,009,611.05
  6. Step 6: Final answer
    x = 10,233,985.93

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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.