Home / 12,636,008.70-18,954,013.05-10,368,527.10

Finding the Fourth Proportional to 12,636,008.70, 18,954,013.05 and 10,368,527.10

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Solution

The fourth proportional to 12,636,008.70, 18,954,013.05 and 10,368,527.10 is: 15,552,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,008.70 : 18,954,013.05 = 10,368,527.10 : x
  2. Step 2: Convert to fraction form
    12,636,008.70/18,954,013.05 = 10,368,527.10/x
  3. Step 3: Cross multiply
    12,636,008.70x = 18,954,013.05 × 10,368,527.10
  4. Step 4: Simplify right side
    12,636,008.70x = 196,525,197,962,678.66
  5. Step 5: Solve for x
    x = 196,525,197,962,678.66/12,636,008.70
  6. Step 6: Final answer
    x = 15,552,790.65

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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.