Home / 12,097,134.70-18,145,702.05-10,865,416.30

Finding the Fourth Proportional to 12,097,134.70, 18,145,702.05 and 10,865,416.30

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Solution

The fourth proportional to 12,097,134.70, 18,145,702.05 and 10,865,416.30 is: 16,298,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,134.70 : 18,145,702.05 = 10,865,416.30 : x
  2. Step 2: Convert to fraction form
    12,097,134.70/18,145,702.05 = 10,865,416.30/x
  3. Step 3: Cross multiply
    12,097,134.70x = 18,145,702.05 × 10,865,416.30
  4. Step 4: Simplify right side
    12,097,134.70x = 197,160,606,829,013.44
  5. Step 5: Solve for x
    x = 197,160,606,829,013.44/12,097,134.70
  6. Step 6: Final answer
    x = 16,298,124.45

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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.