Home / 9,108,687.64-12,569,645.39-4,978,683.94

Finding the Fourth Proportional to 9,108,687.64, 12,569,645.39 and 4,978,683.94

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Solution

The fourth proportional to 9,108,687.64, 12,569,645.39 and 4,978,683.94 is: 6,870,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,687.64 : 12,569,645.39 = 4,978,683.94 : x
  2. Step 2: Convert to fraction form
    9,108,687.64/12,569,645.39 = 4,978,683.94/x
  3. Step 3: Cross multiply
    9,108,687.64x = 12,569,645.39 × 4,978,683.94
  4. Step 4: Simplify right side
    9,108,687.64x = 62,580,291,634,688.05
  5. Step 5: Solve for x
    x = 62,580,291,634,688.05/9,108,687.64
  6. Step 6: Final answer
    x = 6,870,396.06

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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.