Home / 16,771,316.80-25,144,533.60-7,178,843.20

Finding the Fourth Proportional to 16,771,316.80, 25,144,533.60 and 7,178,843.20

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Solution

The fourth proportional to 16,771,316.80, 25,144,533.60 and 7,178,843.20 is: 10,762,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771,316.80 : 25,144,533.60 = 7,178,843.20 : x
  2. Step 2: Convert to fraction form
    16,771,316.80/25,144,533.60 = 7,178,843.20/x
  3. Step 3: Cross multiply
    16,771,316.80x = 25,144,533.60 × 7,178,843.20
  4. Step 4: Simplify right side
    16,771,316.80x = 180,508,664,051,531.53
  5. Step 5: Solve for x
    x = 180,508,664,051,531.53/16,771,316.80
  6. Step 6: Final answer
    x = 10,762,939.26

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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.