Home / 12,526,909.80-18,792,114.30-5,338,386.60

Finding the Fourth Proportional to 12,526,909.80, 18,792,114.30 and 5,338,386.60

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Solution

The fourth proportional to 12,526,909.80, 18,792,114.30 and 5,338,386.60 is: 8,008,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,909.80 : 18,792,114.30 = 5,338,386.60 : x
  2. Step 2: Convert to fraction form
    12,526,909.80/18,792,114.30 = 5,338,386.60/x
  3. Step 3: Cross multiply
    12,526,909.80x = 18,792,114.30 × 5,338,386.60
  4. Step 4: Simplify right side
    12,526,909.80x = 100,319,571,164,788.38
  5. Step 5: Solve for x
    x = 100,319,571,164,788.38/12,526,909.80
  6. Step 6: Final answer
    x = 8,008,325.50

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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.