Home / 6,912,590.20-10,368,885.30-6,240,743.80

Finding the Fourth Proportional to 6,912,590.20, 10,368,885.30 and 6,240,743.80

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Solution

The fourth proportional to 6,912,590.20, 10,368,885.30 and 6,240,743.80 is: 9,361,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,590.20 : 10,368,885.30 = 6,240,743.80 : x
  2. Step 2: Convert to fraction form
    6,912,590.20/10,368,885.30 = 6,240,743.80/x
  3. Step 3: Cross multiply
    6,912,590.20x = 10,368,885.30 × 6,240,743.80
  4. Step 4: Simplify right side
    6,912,590.20x = 64,709,556,648,886.14
  5. Step 5: Solve for x
    x = 64,709,556,648,886.14/6,912,590.20
  6. Step 6: Final answer
    x = 9,361,115.70

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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.