Home / 30,448,722.75-42,020,063.64-17,219,877.90

Finding the Fourth Proportional to 30,448,722.75, 42,020,063.64 and 17,219,877.90

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Solution

The fourth proportional to 30,448,722.75, 42,020,063.64 and 17,219,877.90 is: 23,763,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,722.75 : 42,020,063.64 = 17,219,877.90 : x
  2. Step 2: Convert to fraction form
    30,448,722.75/42,020,063.64 = 17,219,877.90/x
  3. Step 3: Cross multiply
    30,448,722.75x = 42,020,063.64 × 17,219,877.90
  4. Step 4: Simplify right side
    30,448,722.75x = 723,580,365,231,029.50
  5. Step 5: Solve for x
    x = 723,580,365,231,029.50/30,448,722.75
  6. Step 6: Final answer
    x = 23,763,898.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.