Home / 11,801,117.60-17,708,674.80-7,769,164.40

Finding the Fourth Proportional to 11,801,117.60, 17,708,674.80 and 7,769,164.40

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Solution

The fourth proportional to 11,801,117.60, 17,708,674.80 and 7,769,164.40 is: 11,658,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801,117.60 : 17,708,674.80 = 7,769,164.40 : x
  2. Step 2: Convert to fraction form
    11,801,117.60/17,708,674.80 = 7,769,164.40/x
  3. Step 3: Cross multiply
    11,801,117.60x = 17,708,674.80 × 7,769,164.40
  4. Step 4: Simplify right side
    11,801,117.60x = 137,581,605,827,337.12
  5. Step 5: Solve for x
    x = 137,581,605,827,337.12/11,801,117.60
  6. Step 6: Final answer
    x = 11,658,353.94

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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.