Home / 10,278,674.42-14,184,092.85-5,632,431.86

Finding the Fourth Proportional to 10,278,674.42, 14,184,092.85 and 5,632,431.86

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Solution

The fourth proportional to 10,278,674.42, 14,184,092.85 and 5,632,431.86 is: 7,772,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,674.42 : 14,184,092.85 = 5,632,431.86 : x
  2. Step 2: Convert to fraction form
    10,278,674.42/14,184,092.85 = 5,632,431.86/x
  3. Step 3: Cross multiply
    10,278,674.42x = 14,184,092.85 × 5,632,431.86
  4. Step 4: Simplify right side
    10,278,674.42x = 79,890,936,473,538.20
  5. Step 5: Solve for x
    x = 79,890,936,473,538.20/10,278,674.42
  6. Step 6: Final answer
    x = 7,772,494.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.