Home / 10,869,991.65-15,000,774.81-5,975,420.04

Finding the Fourth Proportional to 10,869,991.65, 15,000,774.81 and 5,975,420.04

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Solution

The fourth proportional to 10,869,991.65, 15,000,774.81 and 5,975,420.04 is: 8,246,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869,991.65 : 15,000,774.81 = 5,975,420.04 : x
  2. Step 2: Convert to fraction form
    10,869,991.65/15,000,774.81 = 5,975,420.04/x
  3. Step 3: Cross multiply
    10,869,991.65x = 15,000,774.81 × 5,975,420.04
  4. Step 4: Simplify right side
    10,869,991.65x = 89,635,930,477,002.20
  5. Step 5: Solve for x
    x = 89,635,930,477,002.20/10,869,991.65
  6. Step 6: Final answer
    x = 8,246,182.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.