Home / 20,019,875.68-30,032,175.48-15,003,072.64

Finding the Fourth Proportional to 20,019,875.68, 30,032,175.48 and 15,003,072.64

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Solution

The fourth proportional to 20,019,875.68, 30,032,175.48 and 15,003,072.64 is: 22,506,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,875.68 : 30,032,175.48 = 15,003,072.64 : x
  2. Step 2: Convert to fraction form
    20,019,875.68/30,032,175.48 = 15,003,072.64/x
  3. Step 3: Cross multiply
    20,019,875.68x = 30,032,175.48 × 15,003,072.64
  4. Step 4: Simplify right side
    20,019,875.68x = 450,574,910,263,666.88
  5. Step 5: Solve for x
    x = 450,574,910,263,666.88/20,019,875.68
  6. Step 6: Final answer
    x = 22,506,379.03

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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.