Home / 8,066,690.20-12,114,032.10-4,287,554.20

Finding the Fourth Proportional to 8,066,690.20, 12,114,032.10 and 4,287,554.20

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Solution

The fourth proportional to 8,066,690.20, 12,114,032.10 and 4,287,554.20 is: 6,438,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,690.20 : 12,114,032.10 = 4,287,554.20 : x
  2. Step 2: Convert to fraction form
    8,066,690.20/12,114,032.10 = 4,287,554.20/x
  3. Step 3: Cross multiply
    8,066,690.20x = 12,114,032.10 × 4,287,554.20
  4. Step 4: Simplify right side
    8,066,690.20x = 51,939,569,209,289.82
  5. Step 5: Solve for x
    x = 51,939,569,209,289.82/8,066,690.20
  6. Step 6: Final answer
    x = 6,438,770.79

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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.