Home / 21,446,465.60-32,169,698.40-12,922,414.40

Finding the Fourth Proportional to 21,446,465.60, 32,169,698.40 and 12,922,414.40

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Solution

The fourth proportional to 21,446,465.60, 32,169,698.40 and 12,922,414.40 is: 19,383,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446,465.60 : 32,169,698.40 = 12,922,414.40 : x
  2. Step 2: Convert to fraction form
    21,446,465.60/32,169,698.40 = 12,922,414.40/x
  3. Step 3: Cross multiply
    21,446,465.60x = 32,169,698.40 × 12,922,414.40
  4. Step 4: Simplify right side
    21,446,465.60x = 415,710,173,847,816.94
  5. Step 5: Solve for x
    x = 415,710,173,847,816.94/21,446,465.60
  6. Step 6: Final answer
    x = 19,383,621.60

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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.