Home / 13,771,131.90-20,657,475.45-4,186,823.10

Finding the Fourth Proportional to 13,771,131.90, 20,657,475.45 and 4,186,823.10

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Solution

The fourth proportional to 13,771,131.90, 20,657,475.45 and 4,186,823.10 is: 6,280,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,131.90 : 20,657,475.45 = 4,186,823.10 : x
  2. Step 2: Convert to fraction form
    13,771,131.90/20,657,475.45 = 4,186,823.10/x
  3. Step 3: Cross multiply
    13,771,131.90x = 20,657,475.45 × 4,186,823.10
  4. Step 4: Simplify right side
    13,771,131.90x = 86,489,195,401,742.89
  5. Step 5: Solve for x
    x = 86,489,195,401,742.89/13,771,131.90
  6. Step 6: Final answer
    x = 6,280,471.06

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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.