Home / 42,638,692.40-63,939,376.20-17,071,204.40

Finding the Fourth Proportional to 42,638,692.40, 63,939,376.20 and 17,071,204.40

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Solution

The fourth proportional to 42,638,692.40, 63,939,376.20 and 17,071,204.40 is: 25,599,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,638,692.40 : 63,939,376.20 = 17,071,204.40 : x
  2. Step 2: Convert to fraction form
    42,638,692.40/63,939,376.20 = 17,071,204.40/x
  3. Step 3: Cross multiply
    42,638,692.40x = 63,939,376.20 × 17,071,204.40
  4. Step 4: Simplify right side
    42,638,692.40x = 1,091,522,160,318,695.25
  5. Step 5: Solve for x
    x = 1,091,522,160,318,695.25/42,638,692.40
  6. Step 6: Final answer
    x = 25,599,334.76

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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.