Home / 13,802,287.62-19,047,739.78-7,690,714.50

Finding the Fourth Proportional to 13,802,287.62, 19,047,739.78 and 7,690,714.50

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Solution

The fourth proportional to 13,802,287.62, 19,047,739.78 and 7,690,714.50 is: 10,613,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,287.62 : 19,047,739.78 = 7,690,714.50 : x
  2. Step 2: Convert to fraction form
    13,802,287.62/19,047,739.78 = 7,690,714.50/x
  3. Step 3: Cross multiply
    13,802,287.62x = 19,047,739.78 × 7,690,714.50
  4. Step 4: Simplify right side
    13,802,287.62x = 146,490,728,518,272.81
  5. Step 5: Solve for x
    x = 146,490,728,518,272.81/13,802,287.62
  6. Step 6: Final answer
    x = 10,613,510.79

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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.