Home / 12,284,866.80-18,419,005.80-6,528,553.20

Finding the Fourth Proportional to 12,284,866.80, 18,419,005.80 and 6,528,553.20

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Solution

The fourth proportional to 12,284,866.80, 18,419,005.80 and 6,528,553.20 is: 9,788,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,866.80 : 18,419,005.80 = 6,528,553.20 : x
  2. Step 2: Convert to fraction form
    12,284,866.80/18,419,005.80 = 6,528,553.20/x
  3. Step 3: Cross multiply
    12,284,866.80x = 18,419,005.80 × 6,528,553.20
  4. Step 4: Simplify right side
    12,284,866.80x = 120,249,459,256,408.56
  5. Step 5: Solve for x
    x = 120,249,459,256,408.56/12,284,866.80
  6. Step 6: Final answer
    x = 9,788,421.90

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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.