Home / 19,554,010.20-29,331,015.30-12,326,412.60

Finding the Fourth Proportional to 19,554,010.20, 29,331,015.30 and 12,326,412.60

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Solution

The fourth proportional to 19,554,010.20, 29,331,015.30 and 12,326,412.60 is: 18,489,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554,010.20 : 29,331,015.30 = 12,326,412.60 : x
  2. Step 2: Convert to fraction form
    19,554,010.20/29,331,015.30 = 12,326,412.60/x
  3. Step 3: Cross multiply
    19,554,010.20x = 29,331,015.30 × 12,326,412.60
  4. Step 4: Simplify right side
    19,554,010.20x = 361,546,196,564,712.75
  5. Step 5: Solve for x
    x = 361,546,196,564,712.75/19,554,010.20
  6. Step 6: Final answer
    x = 18,489,618.90

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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.