Home / 20,130,852.72-30,194,017.54-5,559,843.72

Finding the Fourth Proportional to 20,130,852.72, 30,194,017.54 and 5,559,843.72

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Solution

The fourth proportional to 20,130,852.72, 30,194,017.54 and 5,559,843.72 is: 8,339,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,852.72 : 30,194,017.54 = 5,559,843.72 : x
  2. Step 2: Convert to fraction form
    20,130,852.72/30,194,017.54 = 5,559,843.72/x
  3. Step 3: Cross multiply
    20,130,852.72x = 30,194,017.54 × 5,559,843.72
  4. Step 4: Simplify right side
    20,130,852.72x = 167,874,018,801,338.84
  5. Step 5: Solve for x
    x = 167,874,018,801,338.84/20,130,852.72
  6. Step 6: Final answer
    x = 8,339,140.98

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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.