Home / 15,338,424.80-23,007,637.20-7,764,406.40

Finding the Fourth Proportional to 15,338,424.80, 23,007,637.20 and 7,764,406.40

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Solution

The fourth proportional to 15,338,424.80, 23,007,637.20 and 7,764,406.40 is: 11,646,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,424.80 : 23,007,637.20 = 7,764,406.40 : x
  2. Step 2: Convert to fraction form
    15,338,424.80/23,007,637.20 = 7,764,406.40/x
  3. Step 3: Cross multiply
    15,338,424.80x = 23,007,637.20 × 7,764,406.40
  4. Step 4: Simplify right side
    15,338,424.80x = 178,640,645,524,558.09
  5. Step 5: Solve for x
    x = 178,640,645,524,558.09/15,338,424.80
  6. Step 6: Final answer
    x = 11,646,609.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.