Home / 27,933,483.40-38,543,765.62-15,707,979.40

Finding the Fourth Proportional to 27,933,483.40, 38,543,765.62 and 15,707,979.40

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Solution

The fourth proportional to 27,933,483.40, 38,543,765.62 and 15,707,979.40 is: 21,674,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933,483.40 : 38,543,765.62 = 15,707,979.40 : x
  2. Step 2: Convert to fraction form
    27,933,483.40/38,543,765.62 = 15,707,979.40/x
  3. Step 3: Cross multiply
    27,933,483.40x = 38,543,765.62 × 15,707,979.40
  4. Step 4: Simplify right side
    27,933,483.40x = 605,444,676,357,388.25
  5. Step 5: Solve for x
    x = 605,444,676,357,388.25/27,933,483.40
  6. Step 6: Final answer
    x = 21,674,513.98

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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.