Home / 21,511,415.40-32,267,123.10-19,271,927.40

Finding the Fourth Proportional to 21,511,415.40, 32,267,123.10 and 19,271,927.40

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Solution

The fourth proportional to 21,511,415.40, 32,267,123.10 and 19,271,927.40 is: 28,907,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511,415.40 : 32,267,123.10 = 19,271,927.40 : x
  2. Step 2: Convert to fraction form
    21,511,415.40/32,267,123.10 = 19,271,927.40/x
  3. Step 3: Cross multiply
    21,511,415.40x = 32,267,123.10 × 19,271,927.40
  4. Step 4: Simplify right side
    21,511,415.40x = 621,849,653,790,062.88
  5. Step 5: Solve for x
    x = 621,849,653,790,062.88/21,511,415.40
  6. Step 6: Final answer
    x = 28,907,891.10

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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.