Home / 19,363,677.40-29,045,516.10-12,561,232.60

Finding the Fourth Proportional to 19,363,677.40, 29,045,516.10 and 12,561,232.60

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Solution

The fourth proportional to 19,363,677.40, 29,045,516.10 and 12,561,232.60 is: 18,841,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363,677.40 : 29,045,516.10 = 12,561,232.60 : x
  2. Step 2: Convert to fraction form
    19,363,677.40/29,045,516.10 = 12,561,232.60/x
  3. Step 3: Cross multiply
    19,363,677.40x = 29,045,516.10 × 12,561,232.60
  4. Step 4: Simplify right side
    19,363,677.40x = 364,847,483,719,144.88
  5. Step 5: Solve for x
    x = 364,847,483,719,144.88/19,363,677.40
  6. Step 6: Final answer
    x = 18,841,848.90

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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.