Home / 18,168,913.60-27,216,628.80-11,324,478.40

Finding the Fourth Proportional to 18,168,913.60, 27,216,628.80 and 11,324,478.40

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Solution

The fourth proportional to 18,168,913.60, 27,216,628.80 and 11,324,478.40 is: 16,963,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168,913.60 : 27,216,628.80 = 11,324,478.40 : x
  2. Step 2: Convert to fraction form
    18,168,913.60/27,216,628.80 = 11,324,478.40/x
  3. Step 3: Cross multiply
    18,168,913.60x = 27,216,628.80 × 11,324,478.40
  4. Step 4: Simplify right side
    18,168,913.60x = 308,214,124,966,417.94
  5. Step 5: Solve for x
    x = 308,214,124,966,417.94/18,168,913.60
  6. Step 6: Final answer
    x = 16,963,816.98

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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.