Home / 8,303,606.90-12,455,410.35-6,980,909.30

Finding the Fourth Proportional to 8,303,606.90, 12,455,410.35 and 6,980,909.30

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Solution

The fourth proportional to 8,303,606.90, 12,455,410.35 and 6,980,909.30 is: 10,471,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,606.90 : 12,455,410.35 = 6,980,909.30 : x
  2. Step 2: Convert to fraction form
    8,303,606.90/12,455,410.35 = 6,980,909.30/x
  3. Step 3: Cross multiply
    8,303,606.90x = 12,455,410.35 × 6,980,909.30
  4. Step 4: Simplify right side
    8,303,606.90x = 86,950,089,947,631.25
  5. Step 5: Solve for x
    x = 86,950,089,947,631.25/8,303,606.90
  6. Step 6: Final answer
    x = 10,471,363.95

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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.