Home / 18,971,835.42-28,457,820.63-4,594,912.86

Finding the Fourth Proportional to 18,971,835.42, 28,457,820.63 and 4,594,912.86

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Solution

The fourth proportional to 18,971,835.42, 28,457,820.63 and 4,594,912.86 is: 6,892,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,835.42 : 28,457,820.63 = 4,594,912.86 : x
  2. Step 2: Convert to fraction form
    18,971,835.42/28,457,820.63 = 4,594,912.86/x
  3. Step 3: Cross multiply
    18,971,835.42x = 28,457,820.63 × 4,594,912.86
  4. Step 4: Simplify right side
    18,971,835.42x = 130,761,205,980,360.31
  5. Step 5: Solve for x
    x = 130,761,205,980,360.31/18,971,835.42
  6. Step 6: Final answer
    x = 6,892,385.64

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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.