Home / 21,952,810.81-30,294,477.92-12,163,219.25

Finding the Fourth Proportional to 21,952,810.81, 30,294,477.92 and 12,163,219.25

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Solution

The fourth proportional to 21,952,810.81, 30,294,477.92 and 12,163,219.25 is: 16,785,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,810.81 : 30,294,477.92 = 12,163,219.25 : x
  2. Step 2: Convert to fraction form
    21,952,810.81/30,294,477.92 = 12,163,219.25/x
  3. Step 3: Cross multiply
    21,952,810.81x = 30,294,477.92 × 12,163,219.25
  4. Step 4: Simplify right side
    21,952,810.81x = 368,478,376,986,167.94
  5. Step 5: Solve for x
    x = 368,478,376,986,167.94/21,952,810.81
  6. Step 6: Final answer
    x = 16,785,020.39

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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.