Home / 10,778,757.40-16,168,136.10-5,110,053.40

Finding the Fourth Proportional to 10,778,757.40, 16,168,136.10 and 5,110,053.40

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Solution

The fourth proportional to 10,778,757.40, 16,168,136.10 and 5,110,053.40 is: 7,665,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,757.40 : 16,168,136.10 = 5,110,053.40 : x
  2. Step 2: Convert to fraction form
    10,778,757.40/16,168,136.10 = 5,110,053.40/x
  3. Step 3: Cross multiply
    10,778,757.40x = 16,168,136.10 × 5,110,053.40
  4. Step 4: Simplify right side
    10,778,757.40x = 82,620,038,849,467.75
  5. Step 5: Solve for x
    x = 82,620,038,849,467.75/10,778,757.40
  6. Step 6: Final answer
    x = 7,665,080.10

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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.