Home / 10,865,754.40-16,298,631.60-7,275,575.20

Finding the Fourth Proportional to 10,865,754.40, 16,298,631.60 and 7,275,575.20

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Solution

The fourth proportional to 10,865,754.40, 16,298,631.60 and 7,275,575.20 is: 10,913,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,754.40 : 16,298,631.60 = 7,275,575.20 : x
  2. Step 2: Convert to fraction form
    10,865,754.40/16,298,631.60 = 7,275,575.20/x
  3. Step 3: Cross multiply
    10,865,754.40x = 16,298,631.60 × 7,275,575.20
  4. Step 4: Simplify right side
    10,865,754.40x = 118,581,919,862,896.33
  5. Step 5: Solve for x
    x = 118,581,919,862,896.33/10,865,754.40
  6. Step 6: Final answer
    x = 10,913,362.80

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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.