Home / 10,787,675.80-16,170,627.30-5,388,021.40

Finding the Fourth Proportional to 10,787,675.80, 16,170,627.30 and 5,388,021.40

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Solution

The fourth proportional to 10,787,675.80, 16,170,627.30 and 5,388,021.40 is: 8,076,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,675.80 : 16,170,627.30 = 5,388,021.40 : x
  2. Step 2: Convert to fraction form
    10,787,675.80/16,170,627.30 = 5,388,021.40/x
  3. Step 3: Cross multiply
    10,787,675.80x = 16,170,627.30 × 5,388,021.40
  4. Step 4: Simplify right side
    10,787,675.80x = 87,127,685,943,824.23
  5. Step 5: Solve for x
    x = 87,127,685,943,824.23/10,787,675.80
  6. Step 6: Final answer
    x = 8,076,594.77

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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.