Home / 43,081,803.60-64,622,705.40-12,789,666.60

Finding the Fourth Proportional to 43,081,803.60, 64,622,705.40 and 12,789,666.60

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Solution

The fourth proportional to 43,081,803.60, 64,622,705.40 and 12,789,666.60 is: 19,184,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081,803.60 : 64,622,705.40 = 12,789,666.60 : x
  2. Step 2: Convert to fraction form
    43,081,803.60/64,622,705.40 = 12,789,666.60/x
  3. Step 3: Cross multiply
    43,081,803.60x = 64,622,705.40 × 12,789,666.60
  4. Step 4: Simplify right side
    43,081,803.60x = 826,502,856,856,019.62
  5. Step 5: Solve for x
    x = 826,502,856,856,019.62/43,081,803.60
  6. Step 6: Final answer
    x = 19,184,499.90

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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.