Home / 13,462,155-18,568,346.04-9,109,325.16

Finding the Fourth Proportional to 13,462,155, 18,568,346.04 and 9,109,325.16

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Solution

The fourth proportional to 13,462,155, 18,568,346.04 and 9,109,325.16 is: 12,564,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,155 : 18,568,346.04 = 9,109,325.16 : x
  2. Step 2: Convert to fraction form
    13,462,155/18,568,346.04 = 9,109,325.16/x
  3. Step 3: Cross multiply
    13,462,155x = 18,568,346.04 × 9,109,325.16
  4. Step 4: Simplify right side
    13,462,155x = 169,145,101,761,758.38
  5. Step 5: Solve for x
    x = 169,145,101,761,758.38/13,462,155
  6. Step 6: Final answer
    x = 12,564,489.25

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1.5x scale

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.