Home / 20,834,316.81-28,748,630.64-12,014,093.86

Finding the Fourth Proportional to 20,834,316.81, 28,748,630.64 and 12,014,093.86

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Solution

The fourth proportional to 20,834,316.81, 28,748,630.64 and 12,014,093.86 is: 16,577,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,316.81 : 28,748,630.64 = 12,014,093.86 : x
  2. Step 2: Convert to fraction form
    20,834,316.81/28,748,630.64 = 12,014,093.86/x
  3. Step 3: Cross multiply
    20,834,316.81x = 28,748,630.64 × 12,014,093.86
  4. Step 4: Simplify right side
    20,834,316.81x = 345,388,746,783,560.31
  5. Step 5: Solve for x
    x = 345,388,746,783,560.31/20,834,316.81
  6. Step 6: Final answer
    x = 16,577,877.26

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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.