Home / 52,657,608.95-78,989,879.21-13,797,012.50

Finding the Fourth Proportional to 52,657,608.95, 78,989,879.21 and 13,797,012.50

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Solution

The fourth proportional to 52,657,608.95, 78,989,879.21 and 13,797,012.50 is: 20,696,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,657,608.95 : 78,989,879.21 = 13,797,012.50 : x
  2. Step 2: Convert to fraction form
    52,657,608.95/78,989,879.21 = 13,797,012.50/x
  3. Step 3: Cross multiply
    52,657,608.95x = 78,989,879.21 × 13,797,012.50
  4. Step 4: Simplify right side
    52,657,608.95x = 1,089,824,350,833,860
  5. Step 5: Solve for x
    x = 1,089,824,350,833,860/52,657,608.95
  6. Step 6: Final answer
    x = 20,696,426.83

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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.