Home / 10,780,032.60-16,170,048.90-5,111,328.60

Finding the Fourth Proportional to 10,780,032.60, 16,170,048.90 and 5,111,328.60

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Solution

The fourth proportional to 10,780,032.60, 16,170,048.90 and 5,111,328.60 is: 7,666,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,032.60 : 16,170,048.90 = 5,111,328.60 : x
  2. Step 2: Convert to fraction form
    10,780,032.60/16,170,048.90 = 5,111,328.60/x
  3. Step 3: Cross multiply
    10,780,032.60x = 16,170,048.90 × 5,111,328.60
  4. Step 4: Simplify right side
    10,780,032.60x = 82,650,433,405,968.53
  5. Step 5: Solve for x
    x = 82,650,433,405,968.53/10,780,032.60
  6. Step 6: Final answer
    x = 7,666,992.90

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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.