Home / 18,720,630.92-25,837,037.07-10,773,009.98

Finding the Fourth Proportional to 18,720,630.92, 25,837,037.07 and 10,773,009.98

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Solution

The fourth proportional to 18,720,630.92, 25,837,037.07 and 10,773,009.98 is: 14,868,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,630.92 : 25,837,037.07 = 10,773,009.98 : x
  2. Step 2: Convert to fraction form
    18,720,630.92/25,837,037.07 = 10,773,009.98/x
  3. Step 3: Cross multiply
    18,720,630.92x = 25,837,037.07 × 10,773,009.98
  4. Step 4: Simplify right side
    18,720,630.92x = 278,342,658,079,554.78
  5. Step 5: Solve for x
    x = 278,342,658,079,554.78/18,720,630.92
  6. Step 6: Final answer
    x = 14,868,230.64

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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.