Home / 21,217,362.64-29,280,224.25-12,844,623.53

Finding the Fourth Proportional to 21,217,362.64, 29,280,224.25 and 12,844,623.53

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Solution

The fourth proportional to 21,217,362.64, 29,280,224.25 and 12,844,623.53 is: 17,725,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217,362.64 : 29,280,224.25 = 12,844,623.53 : x
  2. Step 2: Convert to fraction form
    21,217,362.64/29,280,224.25 = 12,844,623.53/x
  3. Step 3: Cross multiply
    21,217,362.64x = 29,280,224.25 × 12,844,623.53
  4. Step 4: Simplify right side
    21,217,362.64x = 376,093,457,438,427.19
  5. Step 5: Solve for x
    x = 376,093,457,438,427.19/21,217,362.64
  6. Step 6: Final answer
    x = 17,725,740.18

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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.