Home / 8,631,981.39-11,912,135.36-4,764,503.60

Finding the Fourth Proportional to 8,631,981.39, 11,912,135.36 and 4,764,503.60

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Solution

The fourth proportional to 8,631,981.39, 11,912,135.36 and 4,764,503.60 is: 6,575,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,981.39 : 11,912,135.36 = 4,764,503.60 : x
  2. Step 2: Convert to fraction form
    8,631,981.39/11,912,135.36 = 4,764,503.60/x
  3. Step 3: Cross multiply
    8,631,981.39x = 11,912,135.36 × 4,764,503.60
  4. Step 4: Simplify right side
    8,631,981.39x = 56,755,411,723,024.10
  5. Step 5: Solve for x
    x = 56,755,411,723,024.10/8,631,981.39
  6. Step 6: Final answer
    x = 6,575,015.53

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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.