Home / 19,885,866.56-29,809,901.28-12,677,168.96

Finding the Fourth Proportional to 19,885,866.56, 29,809,901.28 and 12,677,168.96

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Solution

The fourth proportional to 19,885,866.56, 29,809,901.28 and 12,677,168.96 is: 19,003,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,866.56 : 29,809,901.28 = 12,677,168.96 : x
  2. Step 2: Convert to fraction form
    19,885,866.56/29,809,901.28 = 12,677,168.96/x
  3. Step 3: Cross multiply
    19,885,866.56x = 29,809,901.28 × 12,677,168.96
  4. Step 4: Simplify right side
    19,885,866.56x = 377,905,155,207,480.31
  5. Step 5: Solve for x
    x = 377,905,155,207,480.31/19,885,866.56
  6. Step 6: Final answer
    x = 19,003,705.68

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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.