Home / 20,402,495.10-30,603,742.65-17,745,290.10

Finding the Fourth Proportional to 20,402,495.10, 30,603,742.65 and 17,745,290.10

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Solution

The fourth proportional to 20,402,495.10, 30,603,742.65 and 17,745,290.10 is: 26,617,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,495.10 : 30,603,742.65 = 17,745,290.10 : x
  2. Step 2: Convert to fraction form
    20,402,495.10/30,603,742.65 = 17,745,290.10/x
  3. Step 3: Cross multiply
    20,402,495.10x = 30,603,742.65 × 17,745,290.10
  4. Step 4: Simplify right side
    20,402,495.10x = 543,072,291,469,992.81
  5. Step 5: Solve for x
    x = 543,072,291,469,992.81/20,402,495.10
  6. Step 6: Final answer
    x = 26,617,935.15

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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.