Home / 19,252,273.20-28,878,409.80-12,449,828.40

Finding the Fourth Proportional to 19,252,273.20, 28,878,409.80 and 12,449,828.40

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Solution

The fourth proportional to 19,252,273.20, 28,878,409.80 and 12,449,828.40 is: 18,674,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252,273.20 : 28,878,409.80 = 12,449,828.40 : x
  2. Step 2: Convert to fraction form
    19,252,273.20/28,878,409.80 = 12,449,828.40/x
  3. Step 3: Cross multiply
    19,252,273.20x = 28,878,409.80 × 12,449,828.40
  4. Step 4: Simplify right side
    19,252,273.20x = 359,531,246,474,878.31
  5. Step 5: Solve for x
    x = 359,531,246,474,878.31/19,252,273.20
  6. Step 6: Final answer
    x = 18,674,742.60

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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.