Home / 15,243,410.64-21,035,361.68-8,627,857.12

Finding the Fourth Proportional to 15,243,410.64, 21,035,361.68 and 8,627,857.12

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Solution

The fourth proportional to 15,243,410.64, 21,035,361.68 and 8,627,857.12 is: 11,906,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,410.64 : 21,035,361.68 = 8,627,857.12 : x
  2. Step 2: Convert to fraction form
    15,243,410.64/21,035,361.68 = 8,627,857.12/x
  3. Step 3: Cross multiply
    15,243,410.64x = 21,035,361.68 × 8,627,857.12
  4. Step 4: Simplify right side
    15,243,410.64x = 181,490,095,042,563.16
  5. Step 5: Solve for x
    x = 181,490,095,042,563.16/15,243,410.64
  6. Step 6: Final answer
    x = 11,906,134.35

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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.