Home / 14,658,520.38-20,220,353.70-9,142,318.47

Finding the Fourth Proportional to 14,658,520.38, 20,220,353.70 and 9,142,318.47

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Solution

The fourth proportional to 14,658,520.38, 20,220,353.70 and 9,142,318.47 is: 12,611,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,520.38 : 20,220,353.70 = 9,142,318.47 : x
  2. Step 2: Convert to fraction form
    14,658,520.38/20,220,353.70 = 9,142,318.47/x
  3. Step 3: Cross multiply
    14,658,520.38x = 20,220,353.70 × 9,142,318.47
  4. Step 4: Simplify right side
    14,658,520.38x = 184,860,913,101,442.84
  5. Step 5: Solve for x
    x = 184,860,913,101,442.84/14,658,520.38
  6. Step 6: Final answer
    x = 12,611,157.76

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1.5x scale

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.