Home / 43,081,807.60-64,622,711.40-12,789,670.60

Finding the Fourth Proportional to 43,081,807.60, 64,622,711.40 and 12,789,670.60

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Solution

The fourth proportional to 43,081,807.60, 64,622,711.40 and 12,789,670.60 is: 19,184,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081,807.60 : 64,622,711.40 = 12,789,670.60 : x
  2. Step 2: Convert to fraction form
    43,081,807.60/64,622,711.40 = 12,789,670.60/x
  3. Step 3: Cross multiply
    43,081,807.60x = 64,622,711.40 × 12,789,670.60
  4. Step 4: Simplify right side
    43,081,807.60x = 826,503,192,084,864.75
  5. Step 5: Solve for x
    x = 826,503,192,084,864.75/43,081,807.60
  6. Step 6: Final answer
    x = 19,184,505.90

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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.