Home / 20,590,084.62-30,885,345.63-6,213,278.79

Finding the Fourth Proportional to 20,590,084.62, 30,885,345.63 and 6,213,278.79

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Solution

The fourth proportional to 20,590,084.62, 30,885,345.63 and 6,213,278.79 is: 9,319,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,084.62 : 30,885,345.63 = 6,213,278.79 : x
  2. Step 2: Convert to fraction form
    20,590,084.62/30,885,345.63 = 6,213,278.79/x
  3. Step 3: Cross multiply
    20,590,084.62x = 30,885,345.63 × 6,213,278.79
  4. Step 4: Simplify right side
    20,590,084.62x = 191,899,262,924,698.19
  5. Step 5: Solve for x
    x = 191,899,262,924,698.19/20,590,084.62
  6. Step 6: Final answer
    x = 9,319,984.18

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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.