Home / 28,003,771.40-42,005,657.10-16,477,406.60

Finding the Fourth Proportional to 28,003,771.40, 42,005,657.10 and 16,477,406.60

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Solution

The fourth proportional to 28,003,771.40, 42,005,657.10 and 16,477,406.60 is: 24,716,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,771.40 : 42,005,657.10 = 16,477,406.60 : x
  2. Step 2: Convert to fraction form
    28,003,771.40/42,005,657.10 = 16,477,406.60/x
  3. Step 3: Cross multiply
    28,003,771.40x = 42,005,657.10 × 16,477,406.60
  4. Step 4: Simplify right side
    28,003,771.40x = 692,144,291,536,876.88
  5. Step 5: Solve for x
    x = 692,144,291,536,876.88/28,003,771.40
  6. Step 6: Final answer
    x = 24,716,109.90

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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.