Home / 13,019,825.14-17,968,374.36-7,219,737.16

Finding the Fourth Proportional to 13,019,825.14, 17,968,374.36 and 7,219,737.16

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Solution

The fourth proportional to 13,019,825.14, 17,968,374.36 and 7,219,737.16 is: 9,963,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,825.14 : 17,968,374.36 = 7,219,737.16 : x
  2. Step 2: Convert to fraction form
    13,019,825.14/17,968,374.36 = 7,219,737.16/x
  3. Step 3: Cross multiply
    13,019,825.14x = 17,968,374.36 × 7,219,737.16
  4. Step 4: Simplify right side
    13,019,825.14x = 129,726,940,071,683.22
  5. Step 5: Solve for x
    x = 129,726,940,071,683.22/13,019,825.14
  6. Step 6: Final answer
    x = 9,963,800.49

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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.