Home / 10,853,312.10-16,298,630.55-7,680,704.10

Finding the Fourth Proportional to 10,853,312.10, 16,298,630.55 and 7,680,704.10

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Solution

The fourth proportional to 10,853,312.10, 16,298,630.55 and 7,680,704.10 is: 11,534,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,312.10 : 16,298,630.55 = 7,680,704.10 : x
  2. Step 2: Convert to fraction form
    10,853,312.10/16,298,630.55 = 7,680,704.10/x
  3. Step 3: Cross multiply
    10,853,312.10x = 16,298,630.55 × 7,680,704.10
  4. Step 4: Simplify right side
    10,853,312.10x = 125,184,958,489,770.25
  5. Step 5: Solve for x
    x = 125,184,958,489,770.25/10,853,312.10
  6. Step 6: Final answer
    x = 11,534,263.21

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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.