Home / 20,962,652.93-28,929,150.63-11,544,448.15

Finding the Fourth Proportional to 20,962,652.93, 28,929,150.63 and 11,544,448.15

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Solution

The fourth proportional to 20,962,652.93, 28,929,150.63 and 11,544,448.15 is: 15,931,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962,652.93 : 28,929,150.63 = 11,544,448.15 : x
  2. Step 2: Convert to fraction form
    20,962,652.93/28,929,150.63 = 11,544,448.15/x
  3. Step 3: Cross multiply
    20,962,652.93x = 28,929,150.63 × 11,544,448.15
  4. Step 4: Simplify right side
    20,962,652.93x = 333,971,079,540,199.25
  5. Step 5: Solve for x
    x = 333,971,079,540,199.25/20,962,652.93
  6. Step 6: Final answer
    x = 15,931,718.21

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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.