Home / 21,557,029.60-32,335,544.40-13,032,978.40

Finding the Fourth Proportional to 21,557,029.60, 32,335,544.40 and 13,032,978.40

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Solution

The fourth proportional to 21,557,029.60, 32,335,544.40 and 13,032,978.40 is: 19,549,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,029.60 : 32,335,544.40 = 13,032,978.40 : x
  2. Step 2: Convert to fraction form
    21,557,029.60/32,335,544.40 = 13,032,978.40/x
  3. Step 3: Cross multiply
    21,557,029.60x = 32,335,544.40 × 13,032,978.40
  4. Step 4: Simplify right side
    21,557,029.60x = 421,428,451,717,440.94
  5. Step 5: Solve for x
    x = 421,428,451,717,440.94/21,557,029.60
  6. Step 6: Final answer
    x = 19,549,467.60

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1.5x scale

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.