Home / 28,388,000.40-42,582,000.60-16,406,739.60

Finding the Fourth Proportional to 28,388,000.40, 42,582,000.60 and 16,406,739.60

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Solution

The fourth proportional to 28,388,000.40, 42,582,000.60 and 16,406,739.60 is: 24,610,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,000.40 : 42,582,000.60 = 16,406,739.60 : x
  2. Step 2: Convert to fraction form
    28,388,000.40/42,582,000.60 = 16,406,739.60/x
  3. Step 3: Cross multiply
    28,388,000.40x = 42,582,000.60 × 16,406,739.60
  4. Step 4: Simplify right side
    28,388,000.40x = 698,631,795,491,243.75
  5. Step 5: Solve for x
    x = 698,631,795,491,243.75/28,388,000.40
  6. Step 6: Final answer
    x = 24,610,109.40

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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.