Home / 19,043,233.29-26,287,706.37-12,856,659.53

Finding the Fourth Proportional to 19,043,233.29, 26,287,706.37 and 12,856,659.53

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Solution

The fourth proportional to 19,043,233.29, 26,287,706.37 and 12,856,659.53 is: 17,747,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,233.29 : 26,287,706.37 = 12,856,659.53 : x
  2. Step 2: Convert to fraction form
    19,043,233.29/26,287,706.37 = 12,856,659.53/x
  3. Step 3: Cross multiply
    19,043,233.29x = 26,287,706.37 × 12,856,659.53
  4. Step 4: Simplify right side
    19,043,233.29x = 337,972,090,492,263.69
  5. Step 5: Solve for x
    x = 337,972,090,492,263.69/19,043,233.29
  6. Step 6: Final answer
    x = 17,747,621.18

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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.