Home / 18,709,994.37-28,065,997.58-5,931,495.53

Finding the Fourth Proportional to 18,709,994.37, 28,065,997.58 and 5,931,495.53

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Solution

The fourth proportional to 18,709,994.37, 28,065,997.58 and 5,931,495.53 is: 8,897,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,994.37 : 28,065,997.58 = 5,931,495.53 : x
  2. Step 2: Convert to fraction form
    18,709,994.37/28,065,997.58 = 5,931,495.53/x
  3. Step 3: Cross multiply
    18,709,994.37x = 28,065,997.58 × 5,931,495.53
  4. Step 4: Simplify right side
    18,709,994.37x = 166,473,339,190,760.81
  5. Step 5: Solve for x
    x = 166,473,339,190,760.81/18,709,994.37
  6. Step 6: Final answer
    x = 8,897,562.23

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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.