Home / 13,163,538.30-19,745,307.45-8,858,866.20

Finding the Fourth Proportional to 13,163,538.30, 19,745,307.45 and 8,858,866.20

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Solution

The fourth proportional to 13,163,538.30, 19,745,307.45 and 8,858,866.20 is: 13,288,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,538.30 : 19,745,307.45 = 8,858,866.20 : x
  2. Step 2: Convert to fraction form
    13,163,538.30/19,745,307.45 = 8,858,866.20/x
  3. Step 3: Cross multiply
    13,163,538.30x = 19,745,307.45 × 8,858,866.20
  4. Step 4: Simplify right side
    13,163,538.30x = 174,921,036,777,413.16
  5. Step 5: Solve for x
    x = 174,921,036,777,413.16/13,163,538.30
  6. Step 6: Final answer
    x = 13,288,299.30

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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.