Home / 8,778,157.34-12,113,874.84-4,910,743.10

Finding the Fourth Proportional to 8,778,157.34, 12,113,874.84 and 4,910,743.10

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Solution

The fourth proportional to 8,778,157.34, 12,113,874.84 and 4,910,743.10 is: 6,776,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,157.34 : 12,113,874.84 = 4,910,743.10 : x
  2. Step 2: Convert to fraction form
    8,778,157.34/12,113,874.84 = 4,910,743.10/x
  3. Step 3: Cross multiply
    8,778,157.34x = 12,113,874.84 × 4,910,743.10
  4. Step 4: Simplify right side
    8,778,157.34x = 59,488,127,284,793.60
  5. Step 5: Solve for x
    x = 59,488,127,284,793.60/8,778,157.34
  6. Step 6: Final answer
    x = 6,776,835.39

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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.