Home / 18,627,516.18-27,941,281.47-8,380,409.22

Finding the Fourth Proportional to 18,627,516.18, 27,941,281.47 and 8,380,409.22

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Solution

The fourth proportional to 18,627,516.18, 27,941,281.47 and 8,380,409.22 is: 12,570,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,516.18 : 27,941,281.47 = 8,380,409.22 : x
  2. Step 2: Convert to fraction form
    18,627,516.18/27,941,281.47 = 8,380,409.22/x
  3. Step 3: Cross multiply
    18,627,516.18x = 27,941,281.47 × 8,380,409.22
  4. Step 4: Simplify right side
    18,627,516.18x = 234,159,372,849,803.12
  5. Step 5: Solve for x
    x = 234,159,372,849,803.12/18,627,516.18
  6. Step 6: Final answer
    x = 12,570,617.07

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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.