Home / 28,336,443.74-42,503,066.82-12,557,409.03

Finding the Fourth Proportional to 28,336,443.74, 42,503,066.82 and 12,557,409.03

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Solution

The fourth proportional to 28,336,443.74, 42,503,066.82 and 12,557,409.03 is: 18,835,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336,443.74 : 42,503,066.82 = 12,557,409.03 : x
  2. Step 2: Convert to fraction form
    28,336,443.74/42,503,066.82 = 12,557,409.03/x
  3. Step 3: Cross multiply
    28,336,443.74x = 42,503,066.82 × 12,557,409.03
  4. Step 4: Simplify right side
    28,336,443.74x = 533,728,395,088,161.38
  5. Step 5: Solve for x
    x = 533,728,395,088,161.38/28,336,443.74
  6. Step 6: Final answer
    x = 18,835,405.04

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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.