Home / 10,405,511.10-15,608,266.65-9,980,358.30

Finding the Fourth Proportional to 10,405,511.10, 15,608,266.65 and 9,980,358.30

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Solution

The fourth proportional to 10,405,511.10, 15,608,266.65 and 9,980,358.30 is: 14,970,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,511.10 : 15,608,266.65 = 9,980,358.30 : x
  2. Step 2: Convert to fraction form
    10,405,511.10/15,608,266.65 = 9,980,358.30/x
  3. Step 3: Cross multiply
    10,405,511.10x = 15,608,266.65 × 9,980,358.30
  4. Step 4: Simplify right side
    10,405,511.10x = 155,776,093,608,940.72
  5. Step 5: Solve for x
    x = 155,776,093,608,940.72/10,405,511.10
  6. Step 6: Final answer
    x = 14,970,537.45

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Similar ratio
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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.