Home / 12,291,278.82-16,961,962.10-6,784,652.23

Finding the Fourth Proportional to 12,291,278.82, 16,961,962.10 and 6,784,652.23

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Solution

The fourth proportional to 12,291,278.82, 16,961,962.10 and 6,784,652.23 is: 9,362,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,278.82 : 16,961,962.10 = 6,784,652.23 : x
  2. Step 2: Convert to fraction form
    12,291,278.82/16,961,962.10 = 6,784,652.23/x
  3. Step 3: Cross multiply
    12,291,278.82x = 16,961,962.10 × 6,784,652.23
  4. Step 4: Simplify right side
    12,291,278.82x = 115,081,013,986,940.50
  5. Step 5: Solve for x
    x = 115,081,013,986,940.50/12,291,278.82
  6. Step 6: Final answer
    x = 9,362,818.60

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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.