Home / 30,582,447.84-42,203,903.04-16,831,905.12

Finding the Fourth Proportional to 30,582,447.84, 42,203,903.04 and 16,831,905.12

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Solution

The fourth proportional to 30,582,447.84, 42,203,903.04 and 16,831,905.12 is: 23,228,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582,447.84 : 42,203,903.04 = 16,831,905.12 : x
  2. Step 2: Convert to fraction form
    30,582,447.84/42,203,903.04 = 16,831,905.12/x
  3. Step 3: Cross multiply
    30,582,447.84x = 42,203,903.04 × 16,831,905.12
  4. Step 4: Simplify right side
    30,582,447.84x = 710,372,091,662,959.62
  5. Step 5: Solve for x
    x = 710,372,091,662,959.62/30,582,447.84
  6. Step 6: Final answer
    x = 23,228,097.87

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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.