Home / 30,831,254.94-42,536,657.39-17,590,920.13

Finding the Fourth Proportional to 30,831,254.94, 42,536,657.39 and 17,590,920.13

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Solution

The fourth proportional to 30,831,254.94, 42,536,657.39 and 17,590,920.13 is: 24,269,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831,254.94 : 42,536,657.39 = 17,590,920.13 : x
  2. Step 2: Convert to fraction form
    30,831,254.94/42,536,657.39 = 17,590,920.13/x
  3. Step 3: Cross multiply
    30,831,254.94x = 42,536,657.39 × 17,590,920.13
  4. Step 4: Simplify right side
    30,831,254.94x = 748,258,942,744,664.25
  5. Step 5: Solve for x
    x = 748,258,942,744,664.25/30,831,254.94
  6. Step 6: Final answer
    x = 24,269,493.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.