Home / 11,814,574.60-17,721,861.90-7,279,611.40

Finding the Fourth Proportional to 11,814,574.60, 17,721,861.90 and 7,279,611.40

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Solution

The fourth proportional to 11,814,574.60, 17,721,861.90 and 7,279,611.40 is: 10,919,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814,574.60 : 17,721,861.90 = 7,279,611.40 : x
  2. Step 2: Convert to fraction form
    11,814,574.60/17,721,861.90 = 7,279,611.40/x
  3. Step 3: Cross multiply
    11,814,574.60x = 17,721,861.90 × 7,279,611.40
  4. Step 4: Simplify right side
    11,814,574.60x = 129,008,267,916,465.66
  5. Step 5: Solve for x
    x = 129,008,267,916,465.66/11,814,574.60
  6. Step 6: Final answer
    x = 10,919,417.10

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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.