Home / 9,621,983.61-13,278,668.04-5,271,068.88

Finding the Fourth Proportional to 9,621,983.61, 13,278,668.04 and 5,271,068.88

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Solution

The fourth proportional to 9,621,983.61, 13,278,668.04 and 5,271,068.88 is: 7,274,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,983.61 : 13,278,668.04 = 5,271,068.88 : x
  2. Step 2: Convert to fraction form
    9,621,983.61/13,278,668.04 = 5,271,068.88/x
  3. Step 3: Cross multiply
    9,621,983.61x = 13,278,668.04 × 5,271,068.88
  4. Step 4: Simplify right side
    9,621,983.61x = 69,992,773,873,494.59
  5. Step 5: Solve for x
    x = 69,992,773,873,494.59/9,621,983.61
  6. Step 6: Final answer
    x = 7,274,256.19

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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.