Home / 18,571,931.10-27,857,896.65-5,792,415.30

Finding the Fourth Proportional to 18,571,931.10, 27,857,896.65 and 5,792,415.30

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Solution

The fourth proportional to 18,571,931.10, 27,857,896.65 and 5,792,415.30 is: 8,688,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571,931.10 : 27,857,896.65 = 5,792,415.30 : x
  2. Step 2: Convert to fraction form
    18,571,931.10/27,857,896.65 = 5,792,415.30/x
  3. Step 3: Cross multiply
    18,571,931.10x = 27,857,896.65 × 5,792,415.30
  4. Step 4: Simplify right side
    18,571,931.10x = 161,364,506,781,278.72
  5. Step 5: Solve for x
    x = 161,364,506,781,278.72/18,571,931.10
  6. Step 6: Final answer
    x = 8,688,622.95

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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.