Home / 52,831,218.12-79,246,039.40-18,312,747.36

Finding the Fourth Proportional to 52,831,218.12, 79,246,039.40 and 18,312,747.36

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Solution

The fourth proportional to 52,831,218.12, 79,246,039.40 and 18,312,747.36 is: 27,468,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831,218.12 : 79,246,039.40 = 18,312,747.36 : x
  2. Step 2: Convert to fraction form
    52,831,218.12/79,246,039.40 = 18,312,747.36/x
  3. Step 3: Cross multiply
    52,831,218.12x = 79,246,039.40 × 18,312,747.36
  4. Step 4: Simplify right side
    52,831,218.12x = 1,451,212,698,812,806
  5. Step 5: Solve for x
    x = 1,451,212,698,812,806/52,831,218.12
  6. Step 6: Final answer
    x = 27,468,847.97

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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.