Home / 20,415,298.80-28,173,099.51-11,247,941.46

Finding the Fourth Proportional to 20,415,298.80, 28,173,099.51 and 11,247,941.46

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Solution

The fourth proportional to 20,415,298.80, 28,173,099.51 and 11,247,941.46 is: 15,522,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,298.80 : 28,173,099.51 = 11,247,941.46 : x
  2. Step 2: Convert to fraction form
    20,415,298.80/28,173,099.51 = 11,247,941.46/x
  3. Step 3: Cross multiply
    20,415,298.80x = 28,173,099.51 × 11,247,941.46
  4. Step 4: Simplify right side
    20,415,298.80x = 316,889,374,035,234.75
  5. Step 5: Solve for x
    x = 316,889,374,035,234.75/20,415,298.80
  6. Step 6: Final answer
    x = 15,522,152.14

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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.