Home / 14,267,031.60-21,372,203.04-7,861,396.08

Finding the Fourth Proportional to 14,267,031.60, 21,372,203.04 and 7,861,396.08

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Solution

The fourth proportional to 14,267,031.60, 21,372,203.04 and 7,861,396.08 is: 11,776,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267,031.60 : 21,372,203.04 = 7,861,396.08 : x
  2. Step 2: Convert to fraction form
    14,267,031.60/21,372,203.04 = 7,861,396.08/x
  3. Step 3: Cross multiply
    14,267,031.60x = 21,372,203.04 × 7,861,396.08
  4. Step 4: Simplify right side
    14,267,031.60x = 168,015,353,199,620.06
  5. Step 5: Solve for x
    x = 168,015,353,199,620.06/14,267,031.60
  6. Step 6: Final answer
    x = 11,776,475.86

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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.