Home / 19,942,692.90-29,909,892.15-8,583,512.10

Finding the Fourth Proportional to 19,942,692.90, 29,909,892.15 and 8,583,512.10

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Solution

The fourth proportional to 19,942,692.90, 29,909,892.15 and 8,583,512.10 is: 12,873,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,692.90 : 29,909,892.15 = 8,583,512.10 : x
  2. Step 2: Convert to fraction form
    19,942,692.90/29,909,892.15 = 8,583,512.10/x
  3. Step 3: Cross multiply
    19,942,692.90x = 29,909,892.15 × 8,583,512.10
  4. Step 4: Simplify right side
    19,942,692.90x = 256,731,921,179,220
  5. Step 5: Solve for x
    x = 256,731,921,179,220/19,942,692.90
  6. Step 6: Final answer
    x = 12,873,483.16

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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.