Home / 11,857,607.60-17,786,411.40-8,078,471.60

Finding the Fourth Proportional to 11,857,607.60, 17,786,411.40 and 8,078,471.60

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Solution

The fourth proportional to 11,857,607.60, 17,786,411.40 and 8,078,471.60 is: 12,117,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857,607.60 : 17,786,411.40 = 8,078,471.60 : x
  2. Step 2: Convert to fraction form
    11,857,607.60/17,786,411.40 = 8,078,471.60/x
  3. Step 3: Cross multiply
    11,857,607.60x = 17,786,411.40 × 8,078,471.60
  4. Step 4: Simplify right side
    11,857,607.60x = 143,687,019,360,816.22
  5. Step 5: Solve for x
    x = 143,687,019,360,816.22/11,857,607.60
  6. Step 6: Final answer
    x = 12,117,707.40

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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.