Home / 15,779,230.80-23,668,846.20-8,205,212.40

Finding the Fourth Proportional to 15,779,230.80, 23,668,846.20 and 8,205,212.40

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Solution

The fourth proportional to 15,779,230.80, 23,668,846.20 and 8,205,212.40 is: 12,307,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,230.80 : 23,668,846.20 = 8,205,212.40 : x
  2. Step 2: Convert to fraction form
    15,779,230.80/23,668,846.20 = 8,205,212.40/x
  3. Step 3: Cross multiply
    15,779,230.80x = 23,668,846.20 × 8,205,212.40
  4. Step 4: Simplify right side
    15,779,230.80x = 194,207,910,333,932.88
  5. Step 5: Solve for x
    x = 194,207,910,333,932.88/15,779,230.80
  6. Step 6: Final answer
    x = 12,307,818.60

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Similar ratio
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1.5x scale

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.