Home / 8,091,971.86-12,139,707.40-4,304,904.34

Finding the Fourth Proportional to 8,091,971.86, 12,139,707.40 and 4,304,904.34

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Solution

The fourth proportional to 8,091,971.86, 12,139,707.40 and 4,304,904.34 is: 6,458,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,971.86 : 12,139,707.40 = 4,304,904.34 : x
  2. Step 2: Convert to fraction form
    8,091,971.86/12,139,707.40 = 4,304,904.34/x
  3. Step 3: Cross multiply
    8,091,971.86x = 12,139,707.40 × 4,304,904.34
  4. Step 4: Simplify right side
    8,091,971.86x = 52,260,279,072,590.12
  5. Step 5: Solve for x
    x = 52,260,279,072,590.12/8,091,971.86
  6. Step 6: Final answer
    x = 6,458,287.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.