Home / 14,075,782.20-21,145,166.10-13,501,913.40

Finding the Fourth Proportional to 14,075,782.20, 21,145,166.10 and 13,501,913.40

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Solution

The fourth proportional to 14,075,782.20, 21,145,166.10 and 13,501,913.40 is: 20,283,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075,782.20 : 21,145,166.10 = 13,501,913.40 : x
  2. Step 2: Convert to fraction form
    14,075,782.20/21,145,166.10 = 13,501,913.40/x
  3. Step 3: Cross multiply
    14,075,782.20x = 21,145,166.10 × 13,501,913.40
  4. Step 4: Simplify right side
    14,075,782.20x = 285,500,201,510,815.75
  5. Step 5: Solve for x
    x = 285,500,201,510,815.75/14,075,782.20
  6. Step 6: Final answer
    x = 20,283,078.94

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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.