Home / 20,402,471.35-30,603,707.03-17,745,266.35

Finding the Fourth Proportional to 20,402,471.35, 30,603,707.03 and 17,745,266.35

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Solution

The fourth proportional to 20,402,471.35, 30,603,707.03 and 17,745,266.35 is: 26,617,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,471.35 : 30,603,707.03 = 17,745,266.35 : x
  2. Step 2: Convert to fraction form
    20,402,471.35/30,603,707.03 = 17,745,266.35/x
  3. Step 3: Cross multiply
    20,402,471.35x = 30,603,707.03 × 17,745,266.35
  4. Step 4: Simplify right side
    20,402,471.35x = 543,070,932,455,991.12
  5. Step 5: Solve for x
    x = 543,070,932,455,991.12/20,402,471.35
  6. Step 6: Final answer
    x = 26,617,899.53

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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.