Home / 30,618,998.84-42,254,216.15-16,867,962.96

Finding the Fourth Proportional to 30,618,998.84, 42,254,216.15 and 16,867,962.96

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Solution

The fourth proportional to 30,618,998.84, 42,254,216.15 and 16,867,962.96 is: 23,277,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,998.84 : 42,254,216.15 = 16,867,962.96 : x
  2. Step 2: Convert to fraction form
    30,618,998.84/42,254,216.15 = 16,867,962.96/x
  3. Step 3: Cross multiply
    30,618,998.84x = 42,254,216.15 × 16,867,962.96
  4. Step 4: Simplify right side
    30,618,998.84x = 712,742,552,837,694.12
  5. Step 5: Solve for x
    x = 712,742,552,837,694.12/30,618,998.84
  6. Step 6: Final answer
    x = 23,277,787.65

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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.