Home / 30,930,742.98-42,679,680.36-17,875,480.84

Finding the Fourth Proportional to 30,930,742.98, 42,679,680.36 and 17,875,480.84

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Solution

The fourth proportional to 30,930,742.98, 42,679,680.36 and 17,875,480.84 is: 24,665,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930,742.98 : 42,679,680.36 = 17,875,480.84 : x
  2. Step 2: Convert to fraction form
    30,930,742.98/42,679,680.36 = 17,875,480.84/x
  3. Step 3: Cross multiply
    30,930,742.98x = 42,679,680.36 × 17,875,480.84
  4. Step 4: Simplify right side
    30,930,742.98x = 762,919,808,532,504.25
  5. Step 5: Solve for x
    x = 762,919,808,532,504.25/30,930,742.98
  6. Step 6: Final answer
    x = 24,665,421.36

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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.