Home / 8,600,761.72-12,909,114.18-4,343,919.34

Finding the Fourth Proportional to 8,600,761.72, 12,909,114.18 and 4,343,919.34

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Solution

The fourth proportional to 8,600,761.72, 12,909,114.18 and 4,343,919.34 is: 6,519,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,761.72 : 12,909,114.18 = 4,343,919.34 : x
  2. Step 2: Convert to fraction form
    8,600,761.72/12,909,114.18 = 4,343,919.34/x
  3. Step 3: Cross multiply
    8,600,761.72x = 12,909,114.18 × 4,343,919.34
  4. Step 4: Simplify right side
    8,600,761.72x = 56,076,150,748,770.23
  5. Step 5: Solve for x
    x = 56,076,150,748,770.23/8,600,761.72
  6. Step 6: Final answer
    x = 6,519,905.16

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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.