Home / 30,802,873.56-42,508,468.89-16,863,996.12

Finding the Fourth Proportional to 30,802,873.56, 42,508,468.89 and 16,863,996.12

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Solution

The fourth proportional to 30,802,873.56, 42,508,468.89 and 16,863,996.12 is: 23,272,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,873.56 : 42,508,468.89 = 16,863,996.12 : x
  2. Step 2: Convert to fraction form
    30,802,873.56/42,508,468.89 = 16,863,996.12/x
  3. Step 3: Cross multiply
    30,802,873.56x = 42,508,468.89 × 16,863,996.12
  4. Step 4: Simplify right side
    30,802,873.56x = 716,862,654,428,100.75
  5. Step 5: Solve for x
    x = 716,862,654,428,100.75/30,802,873.56
  6. Step 6: Final answer
    x = 23,272,590.24

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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.