Home / 11,078,769.60-15,291,252.93-6,496,567.20

Finding the Fourth Proportional to 11,078,769.60, 15,291,252.93 and 6,496,567.20

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Solution

The fourth proportional to 11,078,769.60, 15,291,252.93 and 6,496,567.20 is: 8,966,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,769.60 : 15,291,252.93 = 6,496,567.20 : x
  2. Step 2: Convert to fraction form
    11,078,769.60/15,291,252.93 = 6,496,567.20/x
  3. Step 3: Cross multiply
    11,078,769.60x = 15,291,252.93 × 6,496,567.20
  4. Step 4: Simplify right side
    11,078,769.60x = 99,340,652,231,941.89
  5. Step 5: Solve for x
    x = 99,340,652,231,941.89/11,078,769.60
  6. Step 6: Final answer
    x = 8,966,758.57

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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.