Home / 15,164,285.04-20,926,855.08-8,637,820.56

Finding the Fourth Proportional to 15,164,285.04, 20,926,855.08 and 8,637,820.56

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Solution

The fourth proportional to 15,164,285.04, 20,926,855.08 and 8,637,820.56 is: 11,920,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164,285.04 : 20,926,855.08 = 8,637,820.56 : x
  2. Step 2: Convert to fraction form
    15,164,285.04/20,926,855.08 = 8,637,820.56/x
  3. Step 3: Cross multiply
    15,164,285.04x = 20,926,855.08 × 8,637,820.56
  4. Step 4: Simplify right side
    15,164,285.04x = 180,762,419,066,164.44
  5. Step 5: Solve for x
    x = 180,762,419,066,164.44/15,164,285.04
  6. Step 6: Final answer
    x = 11,920,273.10

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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.