Home / 17,387,586.40-26,056,496.40-12,802,856.80

Finding the Fourth Proportional to 17,387,586.40, 26,056,496.40 and 12,802,856.80

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Solution

The fourth proportional to 17,387,586.40, 26,056,496.40 and 12,802,856.80 is: 19,185,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,586.40 : 26,056,496.40 = 12,802,856.80 : x
  2. Step 2: Convert to fraction form
    17,387,586.40/26,056,496.40 = 12,802,856.80/x
  3. Step 3: Cross multiply
    17,387,586.40x = 26,056,496.40 × 12,802,856.80
  4. Step 4: Simplify right side
    17,387,586.40x = 333,597,592,118,915.50
  5. Step 5: Solve for x
    x = 333,597,592,118,915.50/17,387,586.40
  6. Step 6: Final answer
    x = 19,185,963.16

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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.