Home / 13,289,975.60-19,934,963.40-10,928,015.60

Finding the Fourth Proportional to 13,289,975.60, 19,934,963.40 and 10,928,015.60

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Solution

The fourth proportional to 13,289,975.60, 19,934,963.40 and 10,928,015.60 is: 16,392,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,975.60 : 19,934,963.40 = 10,928,015.60 : x
  2. Step 2: Convert to fraction form
    13,289,975.60/19,934,963.40 = 10,928,015.60/x
  3. Step 3: Cross multiply
    13,289,975.60x = 19,934,963.40 × 10,928,015.60
  4. Step 4: Simplify right side
    13,289,975.60x = 217,849,591,020,629.03
  5. Step 5: Solve for x
    x = 217,849,591,020,629.03/13,289,975.60
  6. Step 6: Final answer
    x = 16,392,023.40

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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.