Home / 11,723,854.40-17,585,781.60-9,708,315.20

Finding the Fourth Proportional to 11,723,854.40, 17,585,781.60 and 9,708,315.20

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Solution

The fourth proportional to 11,723,854.40, 17,585,781.60 and 9,708,315.20 is: 14,562,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723,854.40 : 17,585,781.60 = 9,708,315.20 : x
  2. Step 2: Convert to fraction form
    11,723,854.40/17,585,781.60 = 9,708,315.20/x
  3. Step 3: Cross multiply
    11,723,854.40x = 17,585,781.60 × 9,708,315.20
  4. Step 4: Simplify right side
    11,723,854.40x = 170,728,310,811,160.31
  5. Step 5: Solve for x
    x = 170,728,310,811,160.31/11,723,854.40
  6. Step 6: Final answer
    x = 14,562,472.80

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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.