Home / 13,606,033.12-20,409,075.60-12,774,623.20

Finding the Fourth Proportional to 13,606,033.12, 20,409,075.60 and 12,774,623.20

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Solution

The fourth proportional to 13,606,033.12, 20,409,075.60 and 12,774,623.20 is: 19,161,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,033.12 : 20,409,075.60 = 12,774,623.20 : x
  2. Step 2: Convert to fraction form
    13,606,033.12/20,409,075.60 = 12,774,623.20/x
  3. Step 3: Cross multiply
    13,606,033.12x = 20,409,075.60 × 12,774,623.20
  4. Step 4: Simplify right side
    13,606,033.12x = 260,718,250,650,313.94
  5. Step 5: Solve for x
    x = 260,718,250,650,313.94/13,606,033.12
  6. Step 6: Final answer
    x = 19,161,959.14

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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.