Home / 12,595,780.20-18,865,676.70-9,746,653.80

Finding the Fourth Proportional to 12,595,780.20, 18,865,676.70 and 9,746,653.80

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Solution

The fourth proportional to 12,595,780.20, 18,865,676.70 and 9,746,653.80 is: 14,598,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,780.20 : 18,865,676.70 = 9,746,653.80 : x
  2. Step 2: Convert to fraction form
    12,595,780.20/18,865,676.70 = 9,746,653.80/x
  3. Step 3: Cross multiply
    12,595,780.20x = 18,865,676.70 × 9,746,653.80
  4. Step 4: Simplify right side
    12,595,780.20x = 183,877,219,497,626.47
  5. Step 5: Solve for x
    x = 183,877,219,497,626.47/12,595,780.20
  6. Step 6: Final answer
    x = 14,598,319.17

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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.