Home / 23,020,711.96-31,768,471.74-12,707,344.84

Finding the Fourth Proportional to 23,020,711.96, 31,768,471.74 and 12,707,344.84

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Solution

The fourth proportional to 23,020,711.96, 31,768,471.74 and 12,707,344.84 is: 17,536,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020,711.96 : 31,768,471.74 = 12,707,344.84 : x
  2. Step 2: Convert to fraction form
    23,020,711.96/31,768,471.74 = 12,707,344.84/x
  3. Step 3: Cross multiply
    23,020,711.96x = 31,768,471.74 × 12,707,344.84
  4. Step 4: Simplify right side
    23,020,711.96x = 403,692,925,439,974.81
  5. Step 5: Solve for x
    x = 403,692,925,439,974.81/23,020,711.96
  6. Step 6: Final answer
    x = 17,536,074.74

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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.