Home / 7,678,866-11,520,193.50-2,287,495.48

Finding the Fourth Proportional to 7,678,866, 11,520,193.50 and 2,287,495.48

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Solution

The fourth proportional to 7,678,866, 11,520,193.50 and 2,287,495.48 is: 3,431,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,866 : 11,520,193.50 = 2,287,495.48 : x
  2. Step 2: Convert to fraction form
    7,678,866/11,520,193.50 = 2,287,495.48/x
  3. Step 3: Cross multiply
    7,678,866x = 11,520,193.50 × 2,287,495.48
  4. Step 4: Simplify right side
    7,678,866x = 26,352,390,559,975.38
  5. Step 5: Solve for x
    x = 26,352,390,559,975.38/7,678,866
  6. Step 6: Final answer
    x = 3,431,807.58

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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.