Home / 10,203,390.72-14,080,391.04-5,557,070.40

Finding the Fourth Proportional to 10,203,390.72, 14,080,391.04 and 5,557,070.40

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Solution

The fourth proportional to 10,203,390.72, 14,080,391.04 and 5,557,070.40 is: 7,668,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,390.72 : 14,080,391.04 = 5,557,070.40 : x
  2. Step 2: Convert to fraction form
    10,203,390.72/14,080,391.04 = 5,557,070.40/x
  3. Step 3: Cross multiply
    10,203,390.72x = 14,080,391.04 × 5,557,070.40
  4. Step 4: Simplify right side
    10,203,390.72x = 78,245,724,268,809.22
  5. Step 5: Solve for x
    x = 78,245,724,268,809.22/10,203,390.72
  6. Step 6: Final answer
    x = 7,668,600.21

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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.