Home / 28,200,959.57-42,301,585.33-12,837,504.96

Finding the Fourth Proportional to 28,200,959.57, 42,301,585.33 and 12,837,504.96

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Solution

The fourth proportional to 28,200,959.57, 42,301,585.33 and 12,837,504.96 is: 19,256,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,959.57 : 42,301,585.33 = 12,837,504.96 : x
  2. Step 2: Convert to fraction form
    28,200,959.57/42,301,585.33 = 12,837,504.96/x
  3. Step 3: Cross multiply
    28,200,959.57x = 42,301,585.33 × 12,837,504.96
  4. Step 4: Simplify right side
    28,200,959.57x = 543,046,811,457,644.50
  5. Step 5: Solve for x
    x = 543,046,811,457,644.50/28,200,959.57
  6. Step 6: Final answer
    x = 19,256,323.89

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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.