Home / 12,983,360.96-19,476,813.60-5,408,554.88

Finding the Fourth Proportional to 12,983,360.96, 19,476,813.60 and 5,408,554.88

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Solution

The fourth proportional to 12,983,360.96, 19,476,813.60 and 5,408,554.88 is: 8,113,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,360.96 : 19,476,813.60 = 5,408,554.88 : x
  2. Step 2: Convert to fraction form
    12,983,360.96/19,476,813.60 = 5,408,554.88/x
  3. Step 3: Cross multiply
    12,983,360.96x = 19,476,813.60 × 5,408,554.88
  4. Step 4: Simplify right side
    12,983,360.96x = 105,341,415,243,130.38
  5. Step 5: Solve for x
    x = 105,341,415,243,130.38/12,983,360.96
  6. Step 6: Final answer
    x = 8,113,570.56

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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.