Home / 7,893,415.13-11,840,123.16-1,909,783.13

Finding the Fourth Proportional to 7,893,415.13, 11,840,123.16 and 1,909,783.13

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Solution

The fourth proportional to 7,893,415.13, 11,840,123.16 and 1,909,783.13 is: 2,864,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,415.13 : 11,840,123.16 = 1,909,783.13 : x
  2. Step 2: Convert to fraction form
    7,893,415.13/11,840,123.16 = 1,909,783.13/x
  3. Step 3: Cross multiply
    7,893,415.13x = 11,840,123.16 × 1,909,783.13
  4. Step 4: Simplify right side
    7,893,415.13x = 22,612,067,408,889.68
  5. Step 5: Solve for x
    x = 22,612,067,408,889.68/7,893,415.13
  6. Step 6: Final answer
    x = 2,864,674.80

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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.