Home / 12,817,833.69-17,688,609.18-7,016,619.36

Finding the Fourth Proportional to 12,817,833.69, 17,688,609.18 and 7,016,619.36

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Solution

The fourth proportional to 12,817,833.69, 17,688,609.18 and 7,016,619.36 is: 9,682,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,833.69 : 17,688,609.18 = 7,016,619.36 : x
  2. Step 2: Convert to fraction form
    12,817,833.69/17,688,609.18 = 7,016,619.36/x
  3. Step 3: Cross multiply
    12,817,833.69x = 17,688,609.18 × 7,016,619.36
  4. Step 4: Simplify right side
    12,817,833.69x = 124,114,237,623,861.73
  5. Step 5: Solve for x
    x = 124,114,237,623,861.73/12,817,833.69
  6. Step 6: Final answer
    x = 9,682,934.00

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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.