Home / 13,943,544.40-20,915,316.60-13,412,103.40

Finding the Fourth Proportional to 13,943,544.40, 20,915,316.60 and 13,412,103.40

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Solution

The fourth proportional to 13,943,544.40, 20,915,316.60 and 13,412,103.40 is: 20,118,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,544.40 : 20,915,316.60 = 13,412,103.40 : x
  2. Step 2: Convert to fraction form
    13,943,544.40/20,915,316.60 = 13,412,103.40/x
  3. Step 3: Cross multiply
    13,943,544.40x = 20,915,316.60 × 13,412,103.40
  4. Step 4: Simplify right side
    13,943,544.40x = 280,518,388,882,936.47
  5. Step 5: Solve for x
    x = 280,518,388,882,936.47/13,943,544.40
  6. Step 6: Final answer
    x = 20,118,155.10

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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.