Home / 13,363,680.42-18,441,878.31-7,252,108.92

Finding the Fourth Proportional to 13,363,680.42, 18,441,878.31 and 7,252,108.92

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Solution

The fourth proportional to 13,363,680.42, 18,441,878.31 and 7,252,108.92 is: 10,007,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,680.42 : 18,441,878.31 = 7,252,108.92 : x
  2. Step 2: Convert to fraction form
    13,363,680.42/18,441,878.31 = 7,252,108.92/x
  3. Step 3: Cross multiply
    13,363,680.42x = 18,441,878.31 × 7,252,108.92
  4. Step 4: Simplify right side
    13,363,680.42x = 133,742,510,193,505.52
  5. Step 5: Solve for x
    x = 133,742,510,193,505.52/13,363,680.42
  6. Step 6: Final answer
    x = 10,007,909.95

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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.