Home / 37,566,389.53-51,840,364.15-20,820,415.46

Finding the Fourth Proportional to 37,566,389.53, 51,840,364.15 and 20,820,415.46

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Solution

The fourth proportional to 37,566,389.53, 51,840,364.15 and 20,820,415.46 is: 28,731,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,566,389.53 : 51,840,364.15 = 20,820,415.46 : x
  2. Step 2: Convert to fraction form
    37,566,389.53/51,840,364.15 = 20,820,415.46/x
  3. Step 3: Cross multiply
    37,566,389.53x = 51,840,364.15 × 20,820,415.46
  4. Step 4: Simplify right side
    37,566,389.53x = 1,079,337,918,889,436.88
  5. Step 5: Solve for x
    x = 1,079,337,918,889,436.88/37,566,389.53
  6. Step 6: Final answer
    x = 28,731,478.66

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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.