Home / 11,666,513.40-17,499,770.10-10,602,756.60

Finding the Fourth Proportional to 11,666,513.40, 17,499,770.10 and 10,602,756.60

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Solution

The fourth proportional to 11,666,513.40, 17,499,770.10 and 10,602,756.60 is: 15,904,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,513.40 : 17,499,770.10 = 10,602,756.60 : x
  2. Step 2: Convert to fraction form
    11,666,513.40/17,499,770.10 = 10,602,756.60/x
  3. Step 3: Cross multiply
    11,666,513.40x = 17,499,770.10 × 10,602,756.60
  4. Step 4: Simplify right side
    11,666,513.40x = 185,545,802,926,257.66
  5. Step 5: Solve for x
    x = 185,545,802,926,257.66/11,666,513.40
  6. Step 6: Final answer
    x = 15,904,134.90

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1.5x scale

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.