Home / 19,172,457.75-28,759,277.13-8,384,205.45

Finding the Fourth Proportional to 19,172,457.75, 28,759,277.13 and 8,384,205.45

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Solution

The fourth proportional to 19,172,457.75, 28,759,277.13 and 8,384,205.45 is: 12,576,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,457.75 : 28,759,277.13 = 8,384,205.45 : x
  2. Step 2: Convert to fraction form
    19,172,457.75/28,759,277.13 = 8,384,205.45/x
  3. Step 3: Cross multiply
    19,172,457.75x = 28,759,277.13 × 8,384,205.45
  4. Step 4: Simplify right side
    19,172,457.75x = 241,123,688,051,406.34
  5. Step 5: Solve for x
    x = 241,123,688,051,406.34/19,172,457.75
  6. Step 6: Final answer
    x = 12,576,566.41

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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.