Home / 13,455,689.80-20,183,534.70-11,064,205.30

Finding the Fourth Proportional to 13,455,689.80, 20,183,534.70 and 11,064,205.30

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Solution

The fourth proportional to 13,455,689.80, 20,183,534.70 and 11,064,205.30 is: 16,596,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,689.80 : 20,183,534.70 = 11,064,205.30 : x
  2. Step 2: Convert to fraction form
    13,455,689.80/20,183,534.70 = 11,064,205.30/x
  3. Step 3: Cross multiply
    13,455,689.80x = 20,183,534.70 × 11,064,205.30
  4. Step 4: Simplify right side
    13,455,689.80x = 223,314,771,600,473.91
  5. Step 5: Solve for x
    x = 223,314,771,600,473.91/13,455,689.80
  6. Step 6: Final answer
    x = 16,596,307.95

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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.