Home / 13,176,089.20-19,764,133.80-4,657,286.80

Finding the Fourth Proportional to 13,176,089.20, 19,764,133.80 and 4,657,286.80

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Solution

The fourth proportional to 13,176,089.20, 19,764,133.80 and 4,657,286.80 is: 6,985,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,089.20 : 19,764,133.80 = 4,657,286.80 : x
  2. Step 2: Convert to fraction form
    13,176,089.20/19,764,133.80 = 4,657,286.80/x
  3. Step 3: Cross multiply
    13,176,089.20x = 19,764,133.80 × 4,657,286.80
  4. Step 4: Simplify right side
    13,176,089.20x = 92,047,239,460,173.84
  5. Step 5: Solve for x
    x = 92,047,239,460,173.84/13,176,089.20
  6. Step 6: Final answer
    x = 6,985,930.20

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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.