Home / 13,232,020.30-19,848,030.45-12,672,148.30

Finding the Fourth Proportional to 13,232,020.30, 19,848,030.45 and 12,672,148.30

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Solution

The fourth proportional to 13,232,020.30, 19,848,030.45 and 12,672,148.30 is: 19,008,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232,020.30 : 19,848,030.45 = 12,672,148.30 : x
  2. Step 2: Convert to fraction form
    13,232,020.30/19,848,030.45 = 12,672,148.30/x
  3. Step 3: Cross multiply
    13,232,020.30x = 19,848,030.45 × 12,672,148.30
  4. Step 4: Simplify right side
    13,232,020.30x = 251,517,185,325,315.75
  5. Step 5: Solve for x
    x = 251,517,185,325,315.75/13,232,020.30
  6. Step 6: Final answer
    x = 19,008,222.45

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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.