Home / 18,256,433.28-25,194,557.12-10,417,221.76

Finding the Fourth Proportional to 18,256,433.28, 25,194,557.12 and 10,417,221.76

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Solution

The fourth proportional to 18,256,433.28, 25,194,557.12 and 10,417,221.76 is: 14,376,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256,433.28 : 25,194,557.12 = 10,417,221.76 : x
  2. Step 2: Convert to fraction form
    18,256,433.28/25,194,557.12 = 10,417,221.76/x
  3. Step 3: Cross multiply
    18,256,433.28x = 25,194,557.12 × 10,417,221.76
  4. Step 4: Simplify right side
    18,256,433.28x = 262,457,288,664,026.94
  5. Step 5: Solve for x
    x = 262,457,288,664,026.94/18,256,433.28
  6. Step 6: Final answer
    x = 14,376,153.58

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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.