Home / 27,188,955.10-40,783,432.65-16,439,412.70

Finding the Fourth Proportional to 27,188,955.10, 40,783,432.65 and 16,439,412.70

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Solution

The fourth proportional to 27,188,955.10, 40,783,432.65 and 16,439,412.70 is: 24,659,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188,955.10 : 40,783,432.65 = 16,439,412.70 : x
  2. Step 2: Convert to fraction form
    27,188,955.10/40,783,432.65 = 16,439,412.70/x
  3. Step 3: Cross multiply
    27,188,955.10x = 40,783,432.65 × 16,439,412.70
  4. Step 4: Simplify right side
    27,188,955.10x = 670,455,680,656,004.62
  5. Step 5: Solve for x
    x = 670,455,680,656,004.62/27,188,955.10
  6. Step 6: Final answer
    x = 24,659,119.05

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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.