Home / 13,410,154.29-20,118,230.03-4,890,490.77

Finding the Fourth Proportional to 13,410,154.29, 20,118,230.03 and 4,890,490.77

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Solution

The fourth proportional to 13,410,154.29, 20,118,230.03 and 4,890,490.77 is: 7,336,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,154.29 : 20,118,230.03 = 4,890,490.77 : x
  2. Step 2: Convert to fraction form
    13,410,154.29/20,118,230.03 = 4,890,490.77/x
  3. Step 3: Cross multiply
    13,410,154.29x = 20,118,230.03 × 4,890,490.77
  4. Step 4: Simplify right side
    13,410,154.29x = 98,388,018,245,999.36
  5. Step 5: Solve for x
    x = 98,388,018,245,999.36/13,410,154.29
  6. Step 6: Final answer
    x = 7,336,829.70

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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.