Home / 12,237,672.70-18,363,507.45-8,453,871.10

Finding the Fourth Proportional to 12,237,672.70, 18,363,507.45 and 8,453,871.10

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Solution

The fourth proportional to 12,237,672.70, 18,363,507.45 and 8,453,871.10 is: 12,685,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237,672.70 : 18,363,507.45 = 8,453,871.10 : x
  2. Step 2: Convert to fraction form
    12,237,672.70/18,363,507.45 = 8,453,871.10/x
  3. Step 3: Cross multiply
    12,237,672.70x = 18,363,507.45 × 8,453,871.10
  4. Step 4: Simplify right side
    12,237,672.70x = 155,242,724,926,189.69
  5. Step 5: Solve for x
    x = 155,242,724,926,189.69/12,237,672.70
  6. Step 6: Final answer
    x = 12,685,641.19

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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.