Home / 20,702,754-28,569,913.80-12,006,082.84

Finding the Fourth Proportional to 20,702,754, 28,569,913.80 and 12,006,082.84

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Solution

The fourth proportional to 20,702,754, 28,569,913.80 and 12,006,082.84 is: 16,568,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,754 : 28,569,913.80 = 12,006,082.84 : x
  2. Step 2: Convert to fraction form
    20,702,754/28,569,913.80 = 12,006,082.84/x
  3. Step 3: Cross multiply
    20,702,754x = 28,569,913.80 × 12,006,082.84
  4. Step 4: Simplify right side
    20,702,754x = 343,012,751,814,459.19
  5. Step 5: Solve for x
    x = 343,012,751,814,459.19/20,702,754
  6. Step 6: Final answer
    x = 16,568,460.01

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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.