Home / 15,770,871.52-21,764,086.14-9,249,204.76

Finding the Fourth Proportional to 15,770,871.52, 21,764,086.14 and 9,249,204.76

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Solution

The fourth proportional to 15,770,871.52, 21,764,086.14 and 9,249,204.76 is: 12,764,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,871.52 : 21,764,086.14 = 9,249,204.76 : x
  2. Step 2: Convert to fraction form
    15,770,871.52/21,764,086.14 = 9,249,204.76/x
  3. Step 3: Cross multiply
    15,770,871.52x = 21,764,086.14 × 9,249,204.76
  4. Step 4: Simplify right side
    15,770,871.52x = 201,300,489,123,138.03
  5. Step 5: Solve for x
    x = 201,300,489,123,138.03/15,770,871.52
  6. Step 6: Final answer
    x = 12,764,068.80

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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.