Home / 14,025,979.77-19,355,038.82-7,831,418.68

Finding the Fourth Proportional to 14,025,979.77, 19,355,038.82 and 7,831,418.68

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Solution

The fourth proportional to 14,025,979.77, 19,355,038.82 and 7,831,418.68 is: 10,806,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025,979.77 : 19,355,038.82 = 7,831,418.68 : x
  2. Step 2: Convert to fraction form
    14,025,979.77/19,355,038.82 = 7,831,418.68/x
  3. Step 3: Cross multiply
    14,025,979.77x = 19,355,038.82 × 7,831,418.68
  4. Step 4: Simplify right side
    14,025,979.77x = 151,577,412,431,140.88
  5. Step 5: Solve for x
    x = 151,577,412,431,140.88/14,025,979.77
  6. Step 6: Final answer
    x = 10,806,903.69

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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.