Home / 42,529,135.80-63,793,703.70-12,236,998.80

Finding the Fourth Proportional to 42,529,135.80, 63,793,703.70 and 12,236,998.80

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Solution

The fourth proportional to 42,529,135.80, 63,793,703.70 and 12,236,998.80 is: 18,355,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,529,135.80 : 63,793,703.70 = 12,236,998.80 : x
  2. Step 2: Convert to fraction form
    42,529,135.80/63,793,703.70 = 12,236,998.80/x
  3. Step 3: Cross multiply
    42,529,135.80x = 63,793,703.70 × 12,236,998.80
  4. Step 4: Simplify right side
    42,529,135.80x = 780,643,475,624,455.62
  5. Step 5: Solve for x
    x = 780,643,475,624,455.62/42,529,135.80
  6. Step 6: Final answer
    x = 18,355,498.20

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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.