Home / 13,016,909.91-19,511,598.48-4,814,280.70

Finding the Fourth Proportional to 13,016,909.91, 19,511,598.48 and 4,814,280.70

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Solution

The fourth proportional to 13,016,909.91, 19,511,598.48 and 4,814,280.70 is: 7,216,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,909.91 : 19,511,598.48 = 4,814,280.70 : x
  2. Step 2: Convert to fraction form
    13,016,909.91/19,511,598.48 = 4,814,280.70/x
  3. Step 3: Cross multiply
    13,016,909.91x = 19,511,598.48 × 4,814,280.70
  4. Step 4: Simplify right side
    13,016,909.91x = 93,934,311,948,661.11
  5. Step 5: Solve for x
    x = 93,934,311,948,661.11/13,016,909.91
  6. Step 6: Final answer
    x = 7,216,329.58

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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.