Home / 11,484,881.60-17,229,655.20-3,912,612.80

Finding the Fourth Proportional to 11,484,881.60, 17,229,655.20 and 3,912,612.80

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Solution

The fourth proportional to 11,484,881.60, 17,229,655.20 and 3,912,612.80 is: 5,869,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484,881.60 : 17,229,655.20 = 3,912,612.80 : x
  2. Step 2: Convert to fraction form
    11,484,881.60/17,229,655.20 = 3,912,612.80/x
  3. Step 3: Cross multiply
    11,484,881.60x = 17,229,655.20 × 3,912,612.80
  4. Step 4: Simplify right side
    11,484,881.60x = 67,412,969,475,106.55
  5. Step 5: Solve for x
    x = 67,412,969,475,106.55/11,484,881.60
  6. Step 6: Final answer
    x = 5,869,713.93

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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.