Home / 28,324,766.40-42,487,084.80-12,140,223.36

Finding the Fourth Proportional to 28,324,766.40, 42,487,084.80 and 12,140,223.36

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Solution

The fourth proportional to 28,324,766.40, 42,487,084.80 and 12,140,223.36 is: 18,210,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324,766.40 : 42,487,084.80 = 12,140,223.36 : x
  2. Step 2: Convert to fraction form
    28,324,766.40/42,487,084.80 = 12,140,223.36/x
  3. Step 3: Cross multiply
    28,324,766.40x = 42,487,084.80 × 12,140,223.36
  4. Step 4: Simplify right side
    28,324,766.40x = 515,802,699,387,260.88
  5. Step 5: Solve for x
    x = 515,802,699,387,260.88/28,324,766.40
  6. Step 6: Final answer
    x = 18,210,307.27

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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.