Home / 11,240,355.34-15,512,065.98-6,888,600.78

Finding the Fourth Proportional to 11,240,355.34, 15,512,065.98 and 6,888,600.78

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Solution

The fourth proportional to 11,240,355.34, 15,512,065.98 and 6,888,600.78 is: 9,506,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,355.34 : 15,512,065.98 = 6,888,600.78 : x
  2. Step 2: Convert to fraction form
    11,240,355.34/15,512,065.98 = 6,888,600.78/x
  3. Step 3: Cross multiply
    11,240,355.34x = 15,512,065.98 × 6,888,600.78
  4. Step 4: Simplify right side
    11,240,355.34x = 106,856,429,809,239.47
  5. Step 5: Solve for x
    x = 106,856,429,809,239.47/11,240,355.34
  6. Step 6: Final answer
    x = 9,506,499.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.