Home / 8,908,765.40-13,391,141.70-8,740,803.80

Finding the Fourth Proportional to 8,908,765.40, 13,391,141.70 and 8,740,803.80

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Solution

The fourth proportional to 8,908,765.40, 13,391,141.70 and 8,740,803.80 is: 13,138,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,765.40 : 13,391,141.70 = 8,740,803.80 : x
  2. Step 2: Convert to fraction form
    8,908,765.40/13,391,141.70 = 8,740,803.80/x
  3. Step 3: Cross multiply
    8,908,765.40x = 13,391,141.70 × 8,740,803.80
  4. Step 4: Simplify right side
    8,908,765.40x = 117,049,342,257,698.47
  5. Step 5: Solve for x
    x = 117,049,342,257,698.47/8,908,765.40
  6. Step 6: Final answer
    x = 13,138,671.52

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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.