Home / 10,645,100.80-15,967,420.65-2,968,540.81

Finding the Fourth Proportional to 10,645,100.80, 15,967,420.65 and 2,968,540.81

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Solution

The fourth proportional to 10,645,100.80, 15,967,420.65 and 2,968,540.81 is: 4,452,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645,100.80 : 15,967,420.65 = 2,968,540.81 : x
  2. Step 2: Convert to fraction form
    10,645,100.80/15,967,420.65 = 2,968,540.81/x
  3. Step 3: Cross multiply
    10,645,100.80x = 15,967,420.65 × 2,968,540.81
  4. Step 4: Simplify right side
    10,645,100.80x = 47,399,939,829,961.73
  5. Step 5: Solve for x
    x = 47,399,939,829,961.73/10,645,100.80
  6. Step 6: Final answer
    x = 4,452,746.92

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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.