Home / 28,336,446.99-42,503,071.70-12,557,412.28

Finding the Fourth Proportional to 28,336,446.99, 42,503,071.70 and 12,557,412.28

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Solution

The fourth proportional to 28,336,446.99, 42,503,071.70 and 12,557,412.28 is: 18,835,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336,446.99 : 42,503,071.70 = 12,557,412.28 : x
  2. Step 2: Convert to fraction form
    28,336,446.99/42,503,071.70 = 12,557,412.28/x
  3. Step 3: Cross multiply
    28,336,446.99x = 42,503,071.70 × 12,557,412.28
  4. Step 4: Simplify right side
    28,336,446.99x = 533,728,594,543,670.94
  5. Step 5: Solve for x
    x = 533,728,594,543,670.94/28,336,446.99
  6. Step 6: Final answer
    x = 18,835,409.91

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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.