Home / 10,865,655.40-16,300,670.10-3,189,285.40

Finding the Fourth Proportional to 10,865,655.40, 16,300,670.10 and 3,189,285.40

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Solution

The fourth proportional to 10,865,655.40, 16,300,670.10 and 3,189,285.40 is: 4,784,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,655.40 : 16,300,670.10 = 3,189,285.40 : x
  2. Step 2: Convert to fraction form
    10,865,655.40/16,300,670.10 = 3,189,285.40/x
  3. Step 3: Cross multiply
    10,865,655.40x = 16,300,670.10 × 3,189,285.40
  4. Step 4: Simplify right side
    10,865,655.40x = 51,987,489,160,146.54
  5. Step 5: Solve for x
    x = 51,987,489,160,146.54/10,865,655.40
  6. Step 6: Final answer
    x = 4,784,570.03

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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.