Home / 20,834,319.77-28,748,634.72-12,014,096.80

Finding the Fourth Proportional to 20,834,319.77, 28,748,634.72 and 12,014,096.80

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Solution

The fourth proportional to 20,834,319.77, 28,748,634.72 and 12,014,096.80 is: 16,577,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,319.77 : 28,748,634.72 = 12,014,096.80 : x
  2. Step 2: Convert to fraction form
    20,834,319.77/28,748,634.72 = 12,014,096.80/x
  3. Step 3: Cross multiply
    20,834,319.77x = 28,748,634.72 × 12,014,096.80
  4. Step 4: Simplify right side
    20,834,319.77x = 345,388,880,250,177.69
  5. Step 5: Solve for x
    x = 345,388,880,250,177.69/20,834,319.77
  6. Step 6: Final answer
    x = 16,577,881.31

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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.