Home / 20,740,837.60-31,111,256.40-17,381,605.60

Finding the Fourth Proportional to 20,740,837.60, 31,111,256.40 and 17,381,605.60

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Solution

The fourth proportional to 20,740,837.60, 31,111,256.40 and 17,381,605.60 is: 26,072,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,837.60 : 31,111,256.40 = 17,381,605.60 : x
  2. Step 2: Convert to fraction form
    20,740,837.60/31,111,256.40 = 17,381,605.60/x
  3. Step 3: Cross multiply
    20,740,837.60x = 31,111,256.40 × 17,381,605.60
  4. Step 4: Simplify right side
    20,740,837.60x = 540,763,588,465,275.88
  5. Step 5: Solve for x
    x = 540,763,588,465,275.88/20,740,837.60
  6. Step 6: Final answer
    x = 26,072,408.40

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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.