Home / 8,072,392.64-11,139,988.72-4,401,279.20

Finding the Fourth Proportional to 8,072,392.64, 11,139,988.72 and 4,401,279.20

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Solution

The fourth proportional to 8,072,392.64, 11,139,988.72 and 4,401,279.20 is: 6,073,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,392.64 : 11,139,988.72 = 4,401,279.20 : x
  2. Step 2: Convert to fraction form
    8,072,392.64/11,139,988.72 = 4,401,279.20/x
  3. Step 3: Cross multiply
    8,072,392.64x = 11,139,988.72 × 4,401,279.20
  4. Step 4: Simplify right side
    8,072,392.64x = 49,030,200,641,570.63
  5. Step 5: Solve for x
    x = 49,030,200,641,570.63/8,072,392.64
  6. Step 6: Final answer
    x = 6,073,812.66

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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.