Home / 12,831,414-19,246,954.95-3,116,106.60

Finding the Fourth Proportional to 12,831,414, 19,246,954.95 and 3,116,106.60

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Solution

The fourth proportional to 12,831,414, 19,246,954.95 and 3,116,106.60 is: 4,674,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,414 : 19,246,954.95 = 3,116,106.60 : x
  2. Step 2: Convert to fraction form
    12,831,414/19,246,954.95 = 3,116,106.60/x
  3. Step 3: Cross multiply
    12,831,414x = 19,246,954.95 × 3,116,106.60
  4. Step 4: Simplify right side
    12,831,414x = 59,975,563,349,597.67
  5. Step 5: Solve for x
    x = 59,975,563,349,597.67/12,831,414
  6. Step 6: Final answer
    x = 4,674,119.57

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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.