Home / 56,938,542.65-85,407,786.63-13,807,738.79

Finding the Fourth Proportional to 56,938,542.65, 85,407,786.63 and 13,807,738.79

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Solution

The fourth proportional to 56,938,542.65, 85,407,786.63 and 13,807,738.79 is: 20,711,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,542.65 : 85,407,786.63 = 13,807,738.79 : x
  2. Step 2: Convert to fraction form
    56,938,542.65/85,407,786.63 = 13,807,738.79/x
  3. Step 3: Cross multiply
    56,938,542.65x = 85,407,786.63 × 13,807,738.79
  4. Step 4: Simplify right side
    56,938,542.65x = 1,179,288,407,992,055.50
  5. Step 5: Solve for x
    x = 1,179,288,407,992,055.50/56,938,542.65
  6. Step 6: Final answer
    x = 20,711,601.55

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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.