Home / 28,276,221.53-42,414,332.29-18,590,709.30

Finding the Fourth Proportional to 28,276,221.53, 42,414,332.29 and 18,590,709.30

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Solution

The fourth proportional to 28,276,221.53, 42,414,332.29 and 18,590,709.30 is: 27,886,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276,221.53 : 42,414,332.29 = 18,590,709.30 : x
  2. Step 2: Convert to fraction form
    28,276,221.53/42,414,332.29 = 18,590,709.30/x
  3. Step 3: Cross multiply
    28,276,221.53x = 42,414,332.29 × 18,590,709.30
  4. Step 4: Simplify right side
    28,276,221.53x = 788,512,521,710,516.62
  5. Step 5: Solve for x
    x = 788,512,521,710,516.62/28,276,221.53
  6. Step 6: Final answer
    x = 27,886,063.95

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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.