Home / 21,313,605.36-29,412,604.07-12,373,545.10

Finding the Fourth Proportional to 21,313,605.36, 29,412,604.07 and 12,373,545.10

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Solution

The fourth proportional to 21,313,605.36, 29,412,604.07 and 12,373,545.10 is: 17,075,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313,605.36 : 29,412,604.07 = 12,373,545.10 : x
  2. Step 2: Convert to fraction form
    21,313,605.36/29,412,604.07 = 12,373,545.10/x
  3. Step 3: Cross multiply
    21,313,605.36x = 29,412,604.07 × 12,373,545.10
  4. Step 4: Simplify right side
    21,313,605.36x = 363,938,182,968,588.56
  5. Step 5: Solve for x
    x = 363,938,182,968,588.56/21,313,605.36
  6. Step 6: Final answer
    x = 17,075,392.77

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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.