Home / 15,251,055.14-21,038,673.75-9,738,634.16

Finding the Fourth Proportional to 15,251,055.14, 21,038,673.75 and 9,738,634.16

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Solution

The fourth proportional to 15,251,055.14, 21,038,673.75 and 9,738,634.16 is: 13,434,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,055.14 : 21,038,673.75 = 9,738,634.16 : x
  2. Step 2: Convert to fraction form
    15,251,055.14/21,038,673.75 = 9,738,634.16/x
  3. Step 3: Cross multiply
    15,251,055.14x = 21,038,673.75 × 9,738,634.16
  4. Step 4: Simplify right side
    15,251,055.14x = 204,887,946,757,651.91
  5. Step 5: Solve for x
    x = 204,887,946,757,651.91/15,251,055.14
  6. Step 6: Final answer
    x = 13,434,345.69

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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.