Home / 20,406,032.20-30,609,048.30-14,347,604.80

Finding the Fourth Proportional to 20,406,032.20, 30,609,048.30 and 14,347,604.80

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Solution

The fourth proportional to 20,406,032.20, 30,609,048.30 and 14,347,604.80 is: 21,521,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,032.20 : 30,609,048.30 = 14,347,604.80 : x
  2. Step 2: Convert to fraction form
    20,406,032.20/30,609,048.30 = 14,347,604.80/x
  3. Step 3: Cross multiply
    20,406,032.20x = 30,609,048.30 × 14,347,604.80
  4. Step 4: Simplify right side
    20,406,032.20x = 439,166,528,312,511.88
  5. Step 5: Solve for x
    x = 439,166,528,312,511.88/20,406,032.20
  6. Step 6: Final answer
    x = 21,521,407.20

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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.