Home / 13,730,172.60-20,589,038.10-5,207,676.60

Finding the Fourth Proportional to 13,730,172.60, 20,589,038.10 and 5,207,676.60

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Solution

The fourth proportional to 13,730,172.60, 20,589,038.10 and 5,207,676.60 is: 7,809,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730,172.60 : 20,589,038.10 = 5,207,676.60 : x
  2. Step 2: Convert to fraction form
    13,730,172.60/20,589,038.10 = 5,207,676.60/x
  3. Step 3: Cross multiply
    13,730,172.60x = 20,589,038.10 × 5,207,676.60
  4. Step 4: Simplify right side
    13,730,172.60x = 107,221,051,929,878.45
  5. Step 5: Solve for x
    x = 107,221,051,929,878.45/13,730,172.60
  6. Step 6: Final answer
    x = 7,809,155.43

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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.