Home / 20,896,300.30-28,836,335.50-11,603,627.96

Finding the Fourth Proportional to 20,896,300.30, 28,836,335.50 and 11,603,627.96

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Solution

The fourth proportional to 20,896,300.30, 28,836,335.50 and 11,603,627.96 is: 16,012,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,300.30 : 28,836,335.50 = 11,603,627.96 : x
  2. Step 2: Convert to fraction form
    20,896,300.30/28,836,335.50 = 11,603,627.96/x
  3. Step 3: Cross multiply
    20,896,300.30x = 28,836,335.50 × 11,603,627.96
  4. Step 4: Simplify right side
    20,896,300.30x = 334,606,108,871,740.62
  5. Step 5: Solve for x
    x = 334,606,108,871,740.62/20,896,300.30
  6. Step 6: Final answer
    x = 16,012,696.22

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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.