Home / 30,734,967.25-42,415,110.36-16,984,817.11

Finding the Fourth Proportional to 30,734,967.25, 42,415,110.36 and 16,984,817.11

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Solution

The fourth proportional to 30,734,967.25, 42,415,110.36 and 16,984,817.11 is: 23,439,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734,967.25 : 42,415,110.36 = 16,984,817.11 : x
  2. Step 2: Convert to fraction form
    30,734,967.25/42,415,110.36 = 16,984,817.11/x
  3. Step 3: Cross multiply
    30,734,967.25x = 42,415,110.36 × 16,984,817.11
  4. Step 4: Simplify right side
    30,734,967.25x = 720,412,891,868,066.62
  5. Step 5: Solve for x
    x = 720,412,891,868,066.62/30,734,967.25
  6. Step 6: Final answer
    x = 23,439,520.40

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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.