Home / 21,638,005.68-32,463,076.42-8,693,246.32

Finding the Fourth Proportional to 21,638,005.68, 32,463,076.42 and 8,693,246.32

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Solution

The fourth proportional to 21,638,005.68, 32,463,076.42 and 8,693,246.32 is: 13,042,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638,005.68 : 32,463,076.42 = 8,693,246.32 : x
  2. Step 2: Convert to fraction form
    21,638,005.68/32,463,076.42 = 8,693,246.32/x
  3. Step 3: Cross multiply
    21,638,005.68x = 32,463,076.42 × 8,693,246.32
  4. Step 4: Simplify right side
    21,638,005.68x = 282,209,519,624,043.81
  5. Step 5: Solve for x
    x = 282,209,519,624,043.81/21,638,005.68
  6. Step 6: Final answer
    x = 13,042,307.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.