Home / 10,842,157.80-14,959,668.60-6,489,590.40

Finding the Fourth Proportional to 10,842,157.80, 14,959,668.60 and 6,489,590.40

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Solution

The fourth proportional to 10,842,157.80, 14,959,668.60 and 6,489,590.40 is: 8,954,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842,157.80 : 14,959,668.60 = 6,489,590.40 : x
  2. Step 2: Convert to fraction form
    10,842,157.80/14,959,668.60 = 6,489,590.40/x
  3. Step 3: Cross multiply
    10,842,157.80x = 14,959,668.60 × 6,489,590.40
  4. Step 4: Simplify right side
    10,842,157.80x = 97,082,121,733,741.44
  5. Step 5: Solve for x
    x = 97,082,121,733,741.44/10,842,157.80
  6. Step 6: Final answer
    x = 8,954,132.89

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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.