Home / 12,631,392.60-17,431,309.40-6,830,160.45

Finding the Fourth Proportional to 12,631,392.60, 17,431,309.40 and 6,830,160.45

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Solution

The fourth proportional to 12,631,392.60, 17,431,309.40 and 6,830,160.45 is: 9,425,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,392.60 : 17,431,309.40 = 6,830,160.45 : x
  2. Step 2: Convert to fraction form
    12,631,392.60/17,431,309.40 = 6,830,160.45/x
  3. Step 3: Cross multiply
    12,631,392.60x = 17,431,309.40 × 6,830,160.45
  4. Step 4: Simplify right side
    12,631,392.60x = 119,058,640,021,442.42
  5. Step 5: Solve for x
    x = 119,058,640,021,442.42/12,631,392.60
  6. Step 6: Final answer
    x = 9,425,614.72

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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.