Home / 18,148,037.35-25,038,918.89-10,799,979.79

Finding the Fourth Proportional to 18,148,037.35, 25,038,918.89 and 10,799,979.79

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Solution

The fourth proportional to 18,148,037.35, 25,038,918.89 and 10,799,979.79 is: 14,900,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,037.35 : 25,038,918.89 = 10,799,979.79 : x
  2. Step 2: Convert to fraction form
    18,148,037.35/25,038,918.89 = 10,799,979.79/x
  3. Step 3: Cross multiply
    18,148,037.35x = 25,038,918.89 × 10,799,979.79
  4. Step 4: Simplify right side
    18,148,037.35x = 270,419,817,975,449.22
  5. Step 5: Solve for x
    x = 270,419,817,975,449.22/18,148,037.35
  6. Step 6: Final answer
    x = 14,900,774.82

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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.