Home / 52,767,111.40-79,142,372.70-18,683,578.60

Finding the Fourth Proportional to 52,767,111.40, 79,142,372.70 and 18,683,578.60

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Solution

The fourth proportional to 52,767,111.40, 79,142,372.70 and 18,683,578.60 is: 28,022,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,767,111.40 : 79,142,372.70 = 18,683,578.60 : x
  2. Step 2: Convert to fraction form
    52,767,111.40/79,142,372.70 = 18,683,578.60/x
  3. Step 3: Cross multiply
    52,767,111.40x = 79,142,372.70 × 18,683,578.60
  4. Step 4: Simplify right side
    52,767,111.40x = 1,478,662,740,930,944.50
  5. Step 5: Solve for x
    x = 1,478,662,740,930,944.50/52,767,111.40
  6. Step 6: Final answer
    x = 28,022,431.05

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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.