Home / 12,823,907.30-19,193,870.55-9,968,560.10

Finding the Fourth Proportional to 12,823,907.30, 19,193,870.55 and 9,968,560.10

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Solution

The fourth proportional to 12,823,907.30, 19,193,870.55 and 9,968,560.10 is: 14,920,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,907.30 : 19,193,870.55 = 9,968,560.10 : x
  2. Step 2: Convert to fraction form
    12,823,907.30/19,193,870.55 = 9,968,560.10/x
  3. Step 3: Cross multiply
    12,823,907.30x = 19,193,870.55 × 9,968,560.10
  4. Step 4: Simplify right side
    12,823,907.30x = 191,335,252,129,295.06
  5. Step 5: Solve for x
    x = 191,335,252,129,295.06/12,823,907.30
  6. Step 6: Final answer
    x = 14,920,199.25

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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.