Home / 18,227,354.76-25,153,756.74-10,386,643.32

Finding the Fourth Proportional to 18,227,354.76, 25,153,756.74 and 10,386,643.32

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Solution

The fourth proportional to 18,227,354.76, 25,153,756.74 and 10,386,643.32 is: 14,333,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227,354.76 : 25,153,756.74 = 10,386,643.32 : x
  2. Step 2: Convert to fraction form
    18,227,354.76/25,153,756.74 = 10,386,643.32/x
  3. Step 3: Cross multiply
    18,227,354.76x = 25,153,756.74 × 10,386,643.32
  4. Step 4: Simplify right side
    18,227,354.76x = 261,263,099,416,425.97
  5. Step 5: Solve for x
    x = 261,263,099,416,425.97/18,227,354.76
  6. Step 6: Final answer
    x = 14,333,571.87

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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.