Home / 35,339,915.20-53,009,872.80-19,173,611.20

Finding the Fourth Proportional to 35,339,915.20, 53,009,872.80 and 19,173,611.20

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Solution

The fourth proportional to 35,339,915.20, 53,009,872.80 and 19,173,611.20 is: 28,760,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339,915.20 : 53,009,872.80 = 19,173,611.20 : x
  2. Step 2: Convert to fraction form
    35,339,915.20/53,009,872.80 = 19,173,611.20/x
  3. Step 3: Cross multiply
    35,339,915.20x = 53,009,872.80 × 19,173,611.20
  4. Step 4: Simplify right side
    35,339,915.20x = 1,016,390,690,828,655.25
  5. Step 5: Solve for x
    x = 1,016,390,690,828,655.25/35,339,915.20
  6. Step 6: Final answer
    x = 28,760,416.80

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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.