Home / 12,672,001.80-19,008,002.70-11,389,134.60

Finding the Fourth Proportional to 12,672,001.80, 19,008,002.70 and 11,389,134.60

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Solution

The fourth proportional to 12,672,001.80, 19,008,002.70 and 11,389,134.60 is: 17,083,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,001.80 : 19,008,002.70 = 11,389,134.60 : x
  2. Step 2: Convert to fraction form
    12,672,001.80/19,008,002.70 = 11,389,134.60/x
  3. Step 3: Cross multiply
    12,672,001.80x = 19,008,002.70 × 11,389,134.60
  4. Step 4: Simplify right side
    12,672,001.80x = 216,484,701,227,463.41
  5. Step 5: Solve for x
    x = 216,484,701,227,463.41/12,672,001.80
  6. Step 6: Final answer
    x = 17,083,701.90

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1.5x scale

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.