Home / 20,829,601.74-31,247,360.37-6,453,799.50

Finding the Fourth Proportional to 20,829,601.74, 31,247,360.37 and 6,453,799.50

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Solution

The fourth proportional to 20,829,601.74, 31,247,360.37 and 6,453,799.50 is: 9,681,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829,601.74 : 31,247,360.37 = 6,453,799.50 : x
  2. Step 2: Convert to fraction form
    20,829,601.74/31,247,360.37 = 6,453,799.50/x
  3. Step 3: Cross multiply
    20,829,601.74x = 31,247,360.37 × 6,453,799.50
  4. Step 4: Simplify right side
    20,829,601.74x = 201,664,198,732,225.81
  5. Step 5: Solve for x
    x = 201,664,198,732,225.81/20,829,601.74
  6. Step 6: Final answer
    x = 9,681,615.68

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1.5x scale

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.