Home / 20,019,876.09-30,032,176.09-15,003,073.05

Finding the Fourth Proportional to 20,019,876.09, 30,032,176.09 and 15,003,073.05

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Solution

The fourth proportional to 20,019,876.09, 30,032,176.09 and 15,003,073.05 is: 22,506,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,876.09 : 30,032,176.09 = 15,003,073.05 : x
  2. Step 2: Convert to fraction form
    20,019,876.09/30,032,176.09 = 15,003,073.05/x
  3. Step 3: Cross multiply
    20,019,876.09x = 30,032,176.09 × 15,003,073.05
  4. Step 4: Simplify right side
    20,019,876.09x = 450,574,931,606,735.81
  5. Step 5: Solve for x
    x = 450,574,931,606,735.81/20,019,876.09
  6. Step 6: Final answer
    x = 22,506,379.64

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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.