Home / 18,430,907.52-25,434,663.18-10,282,145.52

Finding the Fourth Proportional to 18,430,907.52, 25,434,663.18 and 10,282,145.52

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Solution

The fourth proportional to 18,430,907.52, 25,434,663.18 and 10,282,145.52 is: 14,189,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,907.52 : 25,434,663.18 = 10,282,145.52 : x
  2. Step 2: Convert to fraction form
    18,430,907.52/25,434,663.18 = 10,282,145.52/x
  3. Step 3: Cross multiply
    18,430,907.52x = 25,434,663.18 × 10,282,145.52
  4. Step 4: Simplify right side
    18,430,907.52x = 261,522,908,068,945.94
  5. Step 5: Solve for x
    x = 261,522,908,068,945.94/18,430,907.52
  6. Step 6: Final answer
    x = 14,189,366.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.