Home / 10,670,128.86-16,008,189.48-4,284,864.84

Finding the Fourth Proportional to 10,670,128.86, 16,008,189.48 and 4,284,864.84

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Solution

The fourth proportional to 10,670,128.86, 16,008,189.48 and 4,284,864.84 is: 6,428,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670,128.86 : 16,008,189.48 = 4,284,864.84 : x
  2. Step 2: Convert to fraction form
    10,670,128.86/16,008,189.48 = 4,284,864.84/x
  3. Step 3: Cross multiply
    10,670,128.86x = 16,008,189.48 × 4,284,864.84
  4. Step 4: Simplify right side
    10,670,128.86x = 68,592,928,254,909.88
  5. Step 5: Solve for x
    x = 68,592,928,254,909.88/10,670,128.86
  6. Step 6: Final answer
    x = 6,428,500.46

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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.