Home / 12,287,438.67-16,956,546.98-6,780,864.27

Finding the Fourth Proportional to 12,287,438.67, 16,956,546.98 and 6,780,864.27

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Solution

The fourth proportional to 12,287,438.67, 16,956,546.98 and 6,780,864.27 is: 9,357,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,438.67 : 16,956,546.98 = 6,780,864.27 : x
  2. Step 2: Convert to fraction form
    12,287,438.67/16,956,546.98 = 6,780,864.27/x
  3. Step 3: Cross multiply
    12,287,438.67x = 16,956,546.98 × 6,780,864.27
  4. Step 4: Simplify right side
    12,287,438.67x = 114,980,043,525,354.08
  5. Step 5: Solve for x
    x = 114,980,043,525,354.08/12,287,438.67
  6. Step 6: Final answer
    x = 9,357,527.36

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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.