Home / 27,699,426.47-38,227,186.58-15,309,253.64

Finding the Fourth Proportional to 27,699,426.47, 38,227,186.58 and 15,309,253.64

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Solution

The fourth proportional to 27,699,426.47, 38,227,186.58 and 15,309,253.64 is: 21,127,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,426.47 : 38,227,186.58 = 15,309,253.64 : x
  2. Step 2: Convert to fraction form
    27,699,426.47/38,227,186.58 = 15,309,253.64/x
  3. Step 3: Cross multiply
    27,699,426.47x = 38,227,186.58 × 15,309,253.64
  4. Step 4: Simplify right side
    27,699,426.47x = 585,229,695,029,142
  5. Step 5: Solve for x
    x = 585,229,695,029,142/27,699,426.47
  6. Step 6: Final answer
    x = 21,127,863.27

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1.5x scale

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.