Home / 13,606,029.12-20,409,069.60-12,774,619.20

Finding the Fourth Proportional to 13,606,029.12, 20,409,069.60 and 12,774,619.20

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Solution

The fourth proportional to 13,606,029.12, 20,409,069.60 and 12,774,619.20 is: 19,161,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,029.12 : 20,409,069.60 = 12,774,619.20 : x
  2. Step 2: Convert to fraction form
    13,606,029.12/20,409,069.60 = 12,774,619.20/x
  3. Step 3: Cross multiply
    13,606,029.12x = 20,409,069.60 × 12,774,619.20
  4. Step 4: Simplify right side
    13,606,029.12x = 260,718,092,366,296.31
  5. Step 5: Solve for x
    x = 260,718,092,366,296.31/13,606,029.12
  6. Step 6: Final answer
    x = 19,161,953.14

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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.