Home / 15,770,861.79-21,764,072.70-9,249,194.98

Finding the Fourth Proportional to 15,770,861.79, 21,764,072.70 and 9,249,194.98

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Solution

The fourth proportional to 15,770,861.79, 21,764,072.70 and 9,249,194.98 is: 12,764,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,861.79 : 21,764,072.70 = 9,249,194.98 : x
  2. Step 2: Convert to fraction form
    15,770,861.79/21,764,072.70 = 9,249,194.98/x
  3. Step 3: Cross multiply
    15,770,861.79x = 21,764,072.70 × 9,249,194.98
  4. Step 4: Simplify right side
    15,770,861.79x = 201,300,151,961,195.06
  5. Step 5: Solve for x
    x = 201,300,151,961,195.06/15,770,861.79
  6. Step 6: Final answer
    x = 12,764,055.30

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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.