Home / 18,103,501.20-27,155,251.80-6,742,473.60

Finding the Fourth Proportional to 18,103,501.20, 27,155,251.80 and 6,742,473.60

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Solution

The fourth proportional to 18,103,501.20, 27,155,251.80 and 6,742,473.60 is: 10,113,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,501.20 : 27,155,251.80 = 6,742,473.60 : x
  2. Step 2: Convert to fraction form
    18,103,501.20/27,155,251.80 = 6,742,473.60/x
  3. Step 3: Cross multiply
    18,103,501.20x = 27,155,251.80 × 6,742,473.60
  4. Step 4: Simplify right side
    18,103,501.20x = 183,093,568,362,852.47
  5. Step 5: Solve for x
    x = 183,093,568,362,852.47/18,103,501.20
  6. Step 6: Final answer
    x = 10,113,710.40

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1.5x scale

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.