Home / 10,366,521.30-15,556,780.35-6,763,511.70

Finding the Fourth Proportional to 10,366,521.30, 15,556,780.35 and 6,763,511.70

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Solution

The fourth proportional to 10,366,521.30, 15,556,780.35 and 6,763,511.70 is: 10,149,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,521.30 : 15,556,780.35 = 6,763,511.70 : x
  2. Step 2: Convert to fraction form
    10,366,521.30/15,556,780.35 = 6,763,511.70/x
  3. Step 3: Cross multiply
    10,366,521.30x = 15,556,780.35 × 6,763,511.70
  4. Step 4: Simplify right side
    10,366,521.30x = 105,218,465,911,555.09
  5. Step 5: Solve for x
    x = 105,218,465,911,555.09/10,366,521.30
  6. Step 6: Final answer
    x = 10,149,833.57

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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.