Home / 20,836,432.56-31,255,829.80-6,461,544

Finding the Fourth Proportional to 20,836,432.56, 31,255,829.80 and 6,461,544

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Solution

The fourth proportional to 20,836,432.56, 31,255,829.80 and 6,461,544 is: 9,692,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836,432.56 : 31,255,829.80 = 6,461,544 : x
  2. Step 2: Convert to fraction form
    20,836,432.56/31,255,829.80 = 6,461,544/x
  3. Step 3: Cross multiply
    20,836,432.56x = 31,255,829.80 × 6,461,544
  4. Step 4: Simplify right side
    20,836,432.56x = 201,960,919,509,211.22
  5. Step 5: Solve for x
    x = 201,960,919,509,211.22/20,836,432.56
  6. Step 6: Final answer
    x = 9,692,682.23

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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.