Home / 10,374,647.40-15,564,692.70-3,985,108.20

Finding the Fourth Proportional to 10,374,647.40, 15,564,692.70 and 3,985,108.20

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Solution

The fourth proportional to 10,374,647.40, 15,564,692.70 and 3,985,108.20 is: 5,978,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374,647.40 : 15,564,692.70 = 3,985,108.20 : x
  2. Step 2: Convert to fraction form
    10,374,647.40/15,564,692.70 = 3,985,108.20/x
  3. Step 3: Cross multiply
    10,374,647.40x = 15,564,692.70 × 3,985,108.20
  4. Step 4: Simplify right side
    10,374,647.40x = 62,026,984,509,250.14
  5. Step 5: Solve for x
    x = 62,026,984,509,250.14/10,374,647.40
  6. Step 6: Final answer
    x = 5,978,707.72

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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.