Home / 20,857,530.40-31,267,633.20-13,672,506.40

Finding the Fourth Proportional to 20,857,530.40, 31,267,633.20 and 13,672,506.40

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Solution

The fourth proportional to 20,857,530.40, 31,267,633.20 and 13,672,506.40 is: 20,496,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,857,530.40 : 31,267,633.20 = 13,672,506.40 : x
  2. Step 2: Convert to fraction form
    20,857,530.40/31,267,633.20 = 13,672,506.40/x
  3. Step 3: Cross multiply
    20,857,530.40x = 31,267,633.20 × 13,672,506.40
  4. Step 4: Simplify right side
    20,857,530.40x = 427,506,915,039,852.50
  5. Step 5: Solve for x
    x = 427,506,915,039,852.50/20,857,530.40
  6. Step 6: Final answer
    x = 20,496,526.04

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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.