Home / 9,108,687.16-12,569,644.72-4,978,683.46

Finding the Fourth Proportional to 9,108,687.16, 12,569,644.72 and 4,978,683.46

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Solution

The fourth proportional to 9,108,687.16, 12,569,644.72 and 4,978,683.46 is: 6,870,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,687.16 : 12,569,644.72 = 4,978,683.46 : x
  2. Step 2: Convert to fraction form
    9,108,687.16/12,569,644.72 = 4,978,683.46/x
  3. Step 3: Cross multiply
    9,108,687.16x = 12,569,644.72 × 4,978,683.46
  4. Step 4: Simplify right side
    9,108,687.16x = 62,580,282,202,692.11
  5. Step 5: Solve for x
    x = 62,580,282,202,692.11/9,108,687.16
  6. Step 6: Final answer
    x = 6,870,395.39

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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.