Home / 19,247,428.36-26,560,640.10-11,507,897.80

Finding the Fourth Proportional to 19,247,428.36, 26,560,640.10 and 11,507,897.80

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Solution

The fourth proportional to 19,247,428.36, 26,560,640.10 and 11,507,897.80 is: 15,880,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247,428.36 : 26,560,640.10 = 11,507,897.80 : x
  2. Step 2: Convert to fraction form
    19,247,428.36/26,560,640.10 = 11,507,897.80/x
  3. Step 3: Cross multiply
    19,247,428.36x = 26,560,640.10 × 11,507,897.80
  4. Step 4: Simplify right side
    19,247,428.36x = 305,657,131,773,381.81
  5. Step 5: Solve for x
    x = 305,657,131,773,381.81/19,247,428.36
  6. Step 6: Final answer
    x = 15,880,414.05

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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.