Home / 30,085,050-45,145,507.32-10,917,302.88

Finding the Fourth Proportional to 30,085,050, 45,145,507.32 and 10,917,302.88

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Solution

The fourth proportional to 30,085,050, 45,145,507.32 and 10,917,302.88 is: 16,382,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085,050 : 45,145,507.32 = 10,917,302.88 : x
  2. Step 2: Convert to fraction form
    30,085,050/45,145,507.32 = 10,917,302.88/x
  3. Step 3: Cross multiply
    30,085,050x = 45,145,507.32 × 10,917,302.88
  4. Step 4: Simplify right side
    30,085,050x = 492,867,177,083,697.12
  5. Step 5: Solve for x
    x = 492,867,177,083,697.12/30,085,050
  6. Step 6: Final answer
    x = 16,382,461.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.