Home / 43,145,019.60-64,717,529.40-12,439,539.60

Finding the Fourth Proportional to 43,145,019.60, 64,717,529.40 and 12,439,539.60

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Solution

The fourth proportional to 43,145,019.60, 64,717,529.40 and 12,439,539.60 is: 18,659,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,145,019.60 : 64,717,529.40 = 12,439,539.60 : x
  2. Step 2: Convert to fraction form
    43,145,019.60/64,717,529.40 = 12,439,539.60/x
  3. Step 3: Cross multiply
    43,145,019.60x = 64,717,529.40 × 12,439,539.60
  4. Step 4: Simplify right side
    43,145,019.60x = 805,056,269,785,464.25
  5. Step 5: Solve for x
    x = 805,056,269,785,464.25/43,145,019.60
  6. Step 6: Final answer
    x = 18,659,309.40

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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.