Home / 13,780,124.20-20,670,186.30-4,195,426.60

Finding the Fourth Proportional to 13,780,124.20, 20,670,186.30 and 4,195,426.60

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Solution

The fourth proportional to 13,780,124.20, 20,670,186.30 and 4,195,426.60 is: 6,293,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,124.20 : 20,670,186.30 = 4,195,426.60 : x
  2. Step 2: Convert to fraction form
    13,780,124.20/20,670,186.30 = 4,195,426.60/x
  3. Step 3: Cross multiply
    13,780,124.20x = 20,670,186.30 × 4,195,426.60
  4. Step 4: Simplify right side
    13,780,124.20x = 86,720,249,429,975.58
  5. Step 5: Solve for x
    x = 86,720,249,429,975.58/13,780,124.20
  6. Step 6: Final answer
    x = 6,293,139.90

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1.5x scale

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.