Home / 27,608,082.93-38,135,543.29-20,626,626.72

Finding the Fourth Proportional to 27,608,082.93, 38,135,543.29 and 20,626,626.72

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Solution

The fourth proportional to 27,608,082.93, 38,135,543.29 and 20,626,626.72 is: 28,491,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608,082.93 : 38,135,543.29 = 20,626,626.72 : x
  2. Step 2: Convert to fraction form
    27,608,082.93/38,135,543.29 = 20,626,626.72/x
  3. Step 3: Cross multiply
    27,608,082.93x = 38,135,543.29 × 20,626,626.72
  4. Step 4: Simplify right side
    27,608,082.93x = 786,607,615,913,419.75
  5. Step 5: Solve for x
    x = 786,607,615,913,419.75/27,608,082.93
  6. Step 6: Final answer
    x = 28,491,931.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.