Home / 13,609,254.60-20,421,755.10-5,090,452.20

Finding the Fourth Proportional to 13,609,254.60, 20,421,755.10 and 5,090,452.20

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Solution

The fourth proportional to 13,609,254.60, 20,421,755.10 and 5,090,452.20 is: 7,638,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,254.60 : 20,421,755.10 = 5,090,452.20 : x
  2. Step 2: Convert to fraction form
    13,609,254.60/20,421,755.10 = 5,090,452.20/x
  3. Step 3: Cross multiply
    13,609,254.60x = 20,421,755.10 × 5,090,452.20
  4. Step 4: Simplify right side
    13,609,254.60x = 103,955,968,176,656.23
  5. Step 5: Solve for x
    x = 103,955,968,176,656.23/13,609,254.60
  6. Step 6: Final answer
    x = 7,638,623.22

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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.