Home / 10,692,605.70-16,038,908.55-3,120,336.90

Finding the Fourth Proportional to 10,692,605.70, 16,038,908.55 and 3,120,336.90

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Solution

The fourth proportional to 10,692,605.70, 16,038,908.55 and 3,120,336.90 is: 4,680,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,605.70 : 16,038,908.55 = 3,120,336.90 : x
  2. Step 2: Convert to fraction form
    10,692,605.70/16,038,908.55 = 3,120,336.90/x
  3. Step 3: Cross multiply
    10,692,605.70x = 16,038,908.55 × 3,120,336.90
  4. Step 4: Simplify right side
    10,692,605.70x = 50,046,798,184,290.49
  5. Step 5: Solve for x
    x = 50,046,798,184,290.49/10,692,605.70
  6. Step 6: Final answer
    x = 4,680,505.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.