Home / 18,852,461.89-28,239,457.58-11,995,066.69

Finding the Fourth Proportional to 18,852,461.89, 28,239,457.58 and 11,995,066.69

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Solution

The fourth proportional to 18,852,461.89, 28,239,457.58 and 11,995,066.69 is: 17,967,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,461.89 : 28,239,457.58 = 11,995,066.69 : x
  2. Step 2: Convert to fraction form
    18,852,461.89/28,239,457.58 = 11,995,066.69/x
  3. Step 3: Cross multiply
    18,852,461.89x = 28,239,457.58 × 11,995,066.69
  4. Step 4: Simplify right side
    18,852,461.89x = 338,734,177,034,780.50
  5. Step 5: Solve for x
    x = 338,734,177,034,780.50/18,852,461.89
  6. Step 6: Final answer
    x = 17,967,636.21

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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.