Home / 13,405,501.10-20,113,500.45-4,886,698.70

Finding the Fourth Proportional to 13,405,501.10, 20,113,500.45 and 4,886,698.70

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Solution

The fourth proportional to 13,405,501.10, 20,113,500.45 and 4,886,698.70 is: 7,331,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,501.10 : 20,113,500.45 = 4,886,698.70 : x
  2. Step 2: Convert to fraction form
    13,405,501.10/20,113,500.45 = 4,886,698.70/x
  3. Step 3: Cross multiply
    13,405,501.10x = 20,113,500.45 × 4,886,698.70
  4. Step 4: Simplify right side
    13,405,501.10x = 98,288,616,501,464.42
  5. Step 5: Solve for x
    x = 98,288,616,501,464.42/13,405,501.10
  6. Step 6: Final answer
    x = 7,331,961.39

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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.