Home / 20,893,382.40-31,339,342.08-8,596,901.76

Finding the Fourth Proportional to 20,893,382.40, 31,339,342.08 and 8,596,901.76

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Solution

The fourth proportional to 20,893,382.40, 31,339,342.08 and 8,596,901.76 is: 12,895,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893,382.40 : 31,339,342.08 = 8,596,901.76 : x
  2. Step 2: Convert to fraction form
    20,893,382.40/31,339,342.08 = 8,596,901.76/x
  3. Step 3: Cross multiply
    20,893,382.40x = 31,339,342.08 × 8,596,901.76
  4. Step 4: Simplify right side
    20,893,382.40x = 269,421,245,084,794.03
  5. Step 5: Solve for x
    x = 269,421,245,084,794.03/20,893,382.40
  6. Step 6: Final answer
    x = 12,895,051.64

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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.