Home / 18,443,205.45-27,642,664.80-7,654,953.15

Finding the Fourth Proportional to 18,443,205.45, 27,642,664.80 and 7,654,953.15

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Solution

The fourth proportional to 18,443,205.45, 27,642,664.80 and 7,654,953.15 is: 11,473,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,205.45 : 27,642,664.80 = 7,654,953.15 : x
  2. Step 2: Convert to fraction form
    18,443,205.45/27,642,664.80 = 7,654,953.15/x
  3. Step 3: Cross multiply
    18,443,205.45x = 27,642,664.80 × 7,654,953.15
  4. Step 4: Simplify right side
    18,443,205.45x = 211,603,303,985,154.12
  5. Step 5: Solve for x
    x = 211,603,303,985,154.12/18,443,205.45
  6. Step 6: Final answer
    x = 11,473,239.00

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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.