Home / 15,756,357.11-21,743,938.92-8,880,839.17

Finding the Fourth Proportional to 15,756,357.11, 21,743,938.92 and 8,880,839.17

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Solution

The fourth proportional to 15,756,357.11, 21,743,938.92 and 8,880,839.17 is: 12,255,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,357.11 : 21,743,938.92 = 8,880,839.17 : x
  2. Step 2: Convert to fraction form
    15,756,357.11/21,743,938.92 = 8,880,839.17/x
  3. Step 3: Cross multiply
    15,756,357.11x = 21,743,938.92 × 8,880,839.17
  4. Step 4: Simplify right side
    15,756,357.11x = 193,104,424,362,103.81
  5. Step 5: Solve for x
    x = 193,104,424,362,103.81/15,756,357.11
  6. Step 6: Final answer
    x = 12,255,651.67

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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.