Home / 6,388,916.16-9,554,266.08-4,770,821.28

Finding the Fourth Proportional to 6,388,916.16, 9,554,266.08 and 4,770,821.28

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Solution

The fourth proportional to 6,388,916.16, 9,554,266.08 and 4,770,821.28 is: 7,134,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,916.16 : 9,554,266.08 = 4,770,821.28 : x
  2. Step 2: Convert to fraction form
    6,388,916.16/9,554,266.08 = 4,770,821.28/x
  3. Step 3: Cross multiply
    6,388,916.16x = 9,554,266.08 × 4,770,821.28
  4. Step 4: Simplify right side
    6,388,916.16x = 45,581,695,929,246.19
  5. Step 5: Solve for x
    x = 45,581,695,929,246.19/6,388,916.16
  6. Step 6: Final answer
    x = 7,134,495.87

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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.