Home / 11,834,763.20-17,739,897.60-6,431,998.40

Finding the Fourth Proportional to 11,834,763.20, 17,739,897.60 and 6,431,998.40

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Solution

The fourth proportional to 11,834,763.20, 17,739,897.60 and 6,431,998.40 is: 9,641,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834,763.20 : 17,739,897.60 = 6,431,998.40 : x
  2. Step 2: Convert to fraction form
    11,834,763.20/17,739,897.60 = 6,431,998.40/x
  3. Step 3: Cross multiply
    11,834,763.20x = 17,739,897.60 × 6,431,998.40
  4. Step 4: Simplify right side
    11,834,763.20x = 114,102,992,979,363.86
  5. Step 5: Solve for x
    x = 114,102,992,979,363.86/11,834,763.20
  6. Step 6: Final answer
    x = 9,641,341.45

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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.