Home / 21,970,385.40-32,932,250.10-10,603,428.60

Finding the Fourth Proportional to 21,970,385.40, 32,932,250.10 and 10,603,428.60

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Solution

The fourth proportional to 21,970,385.40, 32,932,250.10 and 10,603,428.60 is: 15,893,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,970,385.40 : 32,932,250.10 = 10,603,428.60 : x
  2. Step 2: Convert to fraction form
    21,970,385.40/32,932,250.10 = 10,603,428.60/x
  3. Step 3: Cross multiply
    21,970,385.40x = 32,932,250.10 × 10,603,428.60
  4. Step 4: Simplify right side
    21,970,385.40x = 349,194,762,572,692.88
  5. Step 5: Solve for x
    x = 349,194,762,572,692.88/21,970,385.40
  6. Step 6: Final answer
    x = 15,893,884.25

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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.