Home / 12,358,810.36-18,543,331.50-6,672,346.84

Finding the Fourth Proportional to 12,358,810.36, 18,543,331.50 and 6,672,346.84

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Solution

The fourth proportional to 12,358,810.36, 18,543,331.50 and 6,672,346.84 is: 10,011,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,810.36 : 18,543,331.50 = 6,672,346.84 : x
  2. Step 2: Convert to fraction form
    12,358,810.36/18,543,331.50 = 6,672,346.84/x
  3. Step 3: Cross multiply
    12,358,810.36x = 18,543,331.50 × 6,672,346.84
  4. Step 4: Simplify right side
    12,358,810.36x = 123,727,539,337,097.45
  5. Step 5: Solve for x
    x = 123,727,539,337,097.45/12,358,810.36
  6. Step 6: Final answer
    x = 10,011,282.29

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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.