Home / 19,639,742.14-29,457,795.53-9,262,581.78

Finding the Fourth Proportional to 19,639,742.14, 29,457,795.53 and 9,262,581.78

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Solution

The fourth proportional to 19,639,742.14, 29,457,795.53 and 9,262,581.78 is: 13,893,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639,742.14 : 29,457,795.53 = 9,262,581.78 : x
  2. Step 2: Convert to fraction form
    19,639,742.14/29,457,795.53 = 9,262,581.78/x
  3. Step 3: Cross multiply
    19,639,742.14x = 29,457,795.53 × 9,262,581.78
  4. Step 4: Simplify right side
    19,639,742.14x = 272,855,240,178,299.88
  5. Step 5: Solve for x
    x = 272,855,240,178,299.88/19,639,742.14
  6. Step 6: Final answer
    x = 13,893,015.41

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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.