Home / 15,770,870.52-21,764,084.76-9,249,203.76

Finding the Fourth Proportional to 15,770,870.52, 21,764,084.76 and 9,249,203.76

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Solution

The fourth proportional to 15,770,870.52, 21,764,084.76 and 9,249,203.76 is: 12,764,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,870.52 : 21,764,084.76 = 9,249,203.76 : x
  2. Step 2: Convert to fraction form
    15,770,870.52/21,764,084.76 = 9,249,203.76/x
  3. Step 3: Cross multiply
    15,770,870.52x = 21,764,084.76 × 9,249,203.76
  4. Step 4: Simplify right side
    15,770,870.52x = 201,300,454,595,150.72
  5. Step 5: Solve for x
    x = 201,300,454,595,150.72/15,770,870.52
  6. Step 6: Final answer
    x = 12,764,067.42

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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.