Home / 18,666,992.32-25,740,807.04-14,740,233.84

Finding the Fourth Proportional to 18,666,992.32, 25,740,807.04 and 14,740,233.84

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Solution

The fourth proportional to 18,666,992.32, 25,740,807.04 and 14,740,233.84 is: 20,326,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666,992.32 : 25,740,807.04 = 14,740,233.84 : x
  2. Step 2: Convert to fraction form
    18,666,992.32/25,740,807.04 = 14,740,233.84/x
  3. Step 3: Cross multiply
    18,666,992.32x = 25,740,807.04 × 14,740,233.84
  4. Step 4: Simplify right side
    18,666,992.32x = 379,425,514,999,918.19
  5. Step 5: Solve for x
    x = 379,425,514,999,918.19/18,666,992.32
  6. Step 6: Final answer
    x = 20,326,012.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.