Home / 11,111,160.98-15,330,000.12-7,242,270.50

Finding the Fourth Proportional to 11,111,160.98, 15,330,000.12 and 7,242,270.50

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Solution

The fourth proportional to 11,111,160.98, 15,330,000.12 and 7,242,270.50 is: 9,992,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111,160.98 : 15,330,000.12 = 7,242,270.50 : x
  2. Step 2: Convert to fraction form
    11,111,160.98/15,330,000.12 = 7,242,270.50/x
  3. Step 3: Cross multiply
    11,111,160.98x = 15,330,000.12 × 7,242,270.50
  4. Step 4: Simplify right side
    11,111,160.98x = 111,024,007,634,072.45
  5. Step 5: Solve for x
    x = 111,024,007,634,072.45/11,111,160.98
  6. Step 6: Final answer
    x = 9,992,115.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.