Home / 17,381,785.60-23,901,783.68-15,085,948.16

Finding the Fourth Proportional to 17,381,785.60, 23,901,783.68 and 15,085,948.16

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Solution

The fourth proportional to 17,381,785.60, 23,901,783.68 and 15,085,948.16 is: 20,744,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,785.60 : 23,901,783.68 = 15,085,948.16 : x
  2. Step 2: Convert to fraction form
    17,381,785.60/23,901,783.68 = 15,085,948.16/x
  3. Step 3: Cross multiply
    17,381,785.60x = 23,901,783.68 × 15,085,948.16
  4. Step 4: Simplify right side
    17,381,785.60x = 360,581,069,528,014
  5. Step 5: Solve for x
    x = 360,581,069,528,014/17,381,785.60
  6. Step 6: Final answer
    x = 20,744,765.69

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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.