Home / 20,357,111.44-30,535,647.72-5,211,018.64

Finding the Fourth Proportional to 20,357,111.44, 30,535,647.72 and 5,211,018.64

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Solution

The fourth proportional to 20,357,111.44, 30,535,647.72 and 5,211,018.64 is: 7,816,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,111.44 : 30,535,647.72 = 5,211,018.64 : x
  2. Step 2: Convert to fraction form
    20,357,111.44/30,535,647.72 = 5,211,018.64/x
  3. Step 3: Cross multiply
    20,357,111.44x = 30,535,647.72 × 5,211,018.64
  4. Step 4: Simplify right side
    20,357,111.44x = 159,121,829,453,393.47
  5. Step 5: Solve for x
    x = 159,121,829,453,393.47/20,357,111.44
  6. Step 6: Final answer
    x = 7,816,522.98

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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.