Home / 18,939,346.78-26,136,287.28-10,237,519.51

Finding the Fourth Proportional to 18,939,346.78, 26,136,287.28 and 10,237,519.51

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Solution

The fourth proportional to 18,939,346.78, 26,136,287.28 and 10,237,519.51 is: 14,127,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,346.78 : 26,136,287.28 = 10,237,519.51 : x
  2. Step 2: Convert to fraction form
    18,939,346.78/26,136,287.28 = 10,237,519.51/x
  3. Step 3: Cross multiply
    18,939,346.78x = 26,136,287.28 × 10,237,519.51
  4. Step 4: Simplify right side
    18,939,346.78x = 267,570,750,882,624.12
  5. Step 5: Solve for x
    x = 267,570,750,882,624.12/18,939,346.78
  6. Step 6: Final answer
    x = 14,127,770.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.