Home / 20,760,331.80-31,140,497.70-19,248,677.40

Finding the Fourth Proportional to 20,760,331.80, 31,140,497.70 and 19,248,677.40

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Solution

The fourth proportional to 20,760,331.80, 31,140,497.70 and 19,248,677.40 is: 28,873,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,331.80 : 31,140,497.70 = 19,248,677.40 : x
  2. Step 2: Convert to fraction form
    20,760,331.80/31,140,497.70 = 19,248,677.40/x
  3. Step 3: Cross multiply
    20,760,331.80x = 31,140,497.70 × 19,248,677.40
  4. Step 4: Simplify right side
    20,760,331.80x = 599,413,394,302,741.88
  5. Step 5: Solve for x
    x = 599,413,394,302,741.88/20,760,331.80
  6. Step 6: Final answer
    x = 28,873,016.10

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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.