Home / 13,812,498.54-20,720,638.62-4,712,152.80

Finding the Fourth Proportional to 13,812,498.54, 20,720,638.62 and 4,712,152.80

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Solution

The fourth proportional to 13,812,498.54, 20,720,638.62 and 4,712,152.80 is: 7,068,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,498.54 : 20,720,638.62 = 4,712,152.80 : x
  2. Step 2: Convert to fraction form
    13,812,498.54/20,720,638.62 = 4,712,152.80/x
  3. Step 3: Cross multiply
    13,812,498.54x = 20,720,638.62 × 4,712,152.80
  4. Step 4: Simplify right side
    13,812,498.54x = 97,638,815,291,021.14
  5. Step 5: Solve for x
    x = 97,638,815,291,021.14/13,812,498.54
  6. Step 6: Final answer
    x = 7,068,874.25

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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.