Home / 16,787,864.40-25,181,796.60-15,465,166.80

Finding the Fourth Proportional to 16,787,864.40, 25,181,796.60 and 15,465,166.80

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Solution

The fourth proportional to 16,787,864.40, 25,181,796.60 and 15,465,166.80 is: 23,197,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787,864.40 : 25,181,796.60 = 15,465,166.80 : x
  2. Step 2: Convert to fraction form
    16,787,864.40/25,181,796.60 = 15,465,166.80/x
  3. Step 3: Cross multiply
    16,787,864.40x = 25,181,796.60 × 15,465,166.80
  4. Step 4: Simplify right side
    16,787,864.40x = 389,440,684,742,672.94
  5. Step 5: Solve for x
    x = 389,440,684,742,672.94/16,787,864.40
  6. Step 6: Final answer
    x = 23,197,750.20

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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.