Home / 12,636,001.70-18,954,002.55-10,368,520.10

Finding the Fourth Proportional to 12,636,001.70, 18,954,002.55 and 10,368,520.10

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Solution

The fourth proportional to 12,636,001.70, 18,954,002.55 and 10,368,520.10 is: 15,552,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,001.70 : 18,954,002.55 = 10,368,520.10 : x
  2. Step 2: Convert to fraction form
    12,636,001.70/18,954,002.55 = 10,368,520.10/x
  3. Step 3: Cross multiply
    12,636,001.70x = 18,954,002.55 × 10,368,520.10
  4. Step 4: Simplify right side
    12,636,001.70x = 196,524,956,415,126.25
  5. Step 5: Solve for x
    x = 196,524,956,415,126.25/12,636,001.70
  6. Step 6: Final answer
    x = 15,552,780.15

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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.