Home / 42,048,021.80-63,072,032.70-18,113,493.80

Finding the Fourth Proportional to 42,048,021.80, 63,072,032.70 and 18,113,493.80

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Solution

The fourth proportional to 42,048,021.80, 63,072,032.70 and 18,113,493.80 is: 27,170,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,048,021.80 : 63,072,032.70 = 18,113,493.80 : x
  2. Step 2: Convert to fraction form
    42,048,021.80/63,072,032.70 = 18,113,493.80/x
  3. Step 3: Cross multiply
    42,048,021.80x = 63,072,032.70 × 18,113,493.80
  4. Step 4: Simplify right side
    42,048,021.80x = 1,142,454,873,264,847.25
  5. Step 5: Solve for x
    x = 1,142,454,873,264,847.25/42,048,021.80
  6. Step 6: Final answer
    x = 27,170,240.70

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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.