Home / 43,290,857.60-64,934,711.44-12,997,933.28

Finding the Fourth Proportional to 43,290,857.60, 64,934,711.44 and 12,997,933.28

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Solution

The fourth proportional to 43,290,857.60, 64,934,711.44 and 12,997,933.28 is: 19,496,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290,857.60 : 64,934,711.44 = 12,997,933.28 : x
  2. Step 2: Convert to fraction form
    43,290,857.60/64,934,711.44 = 12,997,933.28/x
  3. Step 3: Cross multiply
    43,290,857.60x = 64,934,711.44 × 12,997,933.28
  4. Step 4: Simplify right side
    43,290,857.60x = 844,017,046,853,172.62
  5. Step 5: Solve for x
    x = 844,017,046,853,172.62/43,290,857.60
  6. Step 6: Final answer
    x = 19,496,427.04

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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.